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65-455: The SM-3 evolved from the proven SM-2 Block IV design. The SM-3 uses the same solid rocket booster and dual thrust rocket motor as the Block IV missile for the first and second stages and the same steering control section and midcourse missile guidance for maneuvering in the atmosphere. To support the extended range of an exo-atmospheric intercept, additional missile thrust is provided in

130-561: A US defense official was quoted saying "The Romanian cycle will start out in 2015 with the SM-3 IB; that system is in flight testing now and doing quite well. We are very confident it is on track and on budget, with very good test results. We are fully confident the missile we are co-developing with Japan, the SM-3 IIA, will have proved in flight testing, once we get to that phase. Assuming success in that flight testing, then we will have ready

195-475: A ballistic missile intercept in a test off the west coast of Hawaii. The test marks the first time that a ballistic missile has been targeted using the Standard Missile-3 (SM-3) Block IIA interceptor . The ship was featured prominently in the 2012 film Battleship . After the sinking of two other destroyers, including sister ship Sampson , she fought alone against the hostile alien fleet. She

260-660: A ballistic missile. This was the first time a JMSDF vessel was employed to launch the interceptor missile during a test of the Aegis Ballistic Missile Defense System . In previous tests the Japan Maritime Self-Defense Force had provided tracking and communications. In November 2008 a second Japanese-American joint test was performed from JS  Chōkai which was unsuccessful. Following a failure review board, JFTM-3 occurred launching from JS Myōkō resulting in

325-681: A coverage radius of 500 km (310 mi), three missile posts could defend all of Japan; launch pads can be disassembled, moved to other locations, and rebuilt in 5–10 days. Ground-basing of the SM-3 is dubbed " Aegis Ashore ." By October 2016, Japan was considering procuring either Aegis Ashore or THAAD to add a new missile defense layer. On August 31, 2022, the Japan Ministry of Defense announced that JMSDF will operate two " Aegis system equipped ships " (イージス・システム搭載艦 in Japanese) to replace

390-526: A larger diameter kill vehicle that is more maneuverable, and carries another sensor/ discrimination upgrade. It was scheduled to debut around 2015, whereupon the Navy will have a weapon that can engage some intercontinental ballistic missiles. Table sources, reference material: A further SM-3 block IIB was "conceived for fielding in Europe around 2022". In March 2013, Defense Secretary Chuck Hagel announced that

455-491: A modified SM-3 missile launched from a group of three ships in the North Pacific to destroy the failed American satellite USA-193 at an altitude of 130 nautical miles (240 kilometers) shortly before atmospheric reentry. Officials publicly stated that the intention was to "reduce the danger to human beings" due to the release of toxic hydrazine fuel carried on board, but in secret dispatches, US officials indicated that

520-520: A new third stage for the SM-3 missile, containing a dual pulse rocket motor for the early exo-atmospheric phase of flight. Initial work was done to adapt SM-3 for land deployment ("Aegis ashore") to especially accommodate the Israelis, but they then chose to pursue their own system, Arrow 3 . A group in the Obama administration envisioned a European Phased Adaptive Approach (EPAA) and SM-3 was chosen as

585-466: A reduced cost. The SM-3 block IB, due in 2010, offers upgrades which include an advanced two-color infrared seeker , and a 10-thruster solid throttling divert and attitude control system (TDACS/SDACS) on the kill vehicle to give it improved capability against maneuvering ballistic missiles or warheads. Solid TDACS is a joint Raytheon/Aerojet project, but Boeing supplies some components of the kinetic warhead. With block IB and associated ship-based upgrades,

650-496: A replacement for the earlier Nuclear Terrier missile (RIM-2D). The USN rescinded the requirement for the nuclear armed missile in the 1980s, and the project was canceled. The Standard can also be used against ships, either at line-of-sight range using its semi-active homing mode, or over the horizon using inertial guidance and terminal infrared homing. RIM-174 Standard Missile 6 ERAM is a new generation of Standard extended range missiles, which became operational in 2013. During

715-544: A sailor, acting as tactical datalink controller, mistakenly designated that target as friendly, which caused the SM-3 interceptor to self-destruct, as designed. On 31 January 2018, an SM-3 Block IIA missile interceptor launched from a test site in Hawaii missed its target. On 26 October 2018, USS John Paul Jones detected and tracked a medium-range ballistic missile target with its Aegis Missile Defense System, launched an SM-3 Block IIA interceptor, and destroyed its target, which

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780-464: A successful intercept in October 2009. October 28, 2010 a successful test was performed from JDS  Kirishima . The U.S. Navy's Pacific Missile Range Facility on Kauai launched the ballistic missile target. The crew of Kirishima , operating off the coast of Kauai, detected and tracked the target before firing a SM-3 Block IA missile. The Japanese Defense Ministry is considering allocating money in

845-429: A test objective—the objective was to hit the target missile. Contrary to the assertions of Postol and Lewis, all three tests resulted in successful target hits with the unitary ballistic missile target destroyed. This provided empirical evidence that ballistic missile intercepts could in fact be accomplished at sea using interceptors launched from Aegis ships. After successful completion of these early developmental tests,

910-607: A variety of USN ships, and eventually replaced the RIM-2 Terrier as well, since it was of a similar size and fitted existing Terrier launchers and magazines. The RIM-66 Standard MR was essentially the same missile without the booster stage, designed to replace the RIM-24 Tartar . The RIM-66/67 series thus became the US Navy's universal SAM system, hence the designation "Standard Missile". The RIM-67A (SM-1ER Block I)

975-606: Is $ 1.51 billion for the Block IIA. On 15 October 2024, RTX announced that the SM-3 Block IIA entered full-rate production. The ship's AN/SPY-1 radar finds the ballistic missile target and the Aegis weapon system calculates a solution on the target. The Aerojet MK 72 solid-fuel rocket booster launches the SM-3 out of the ship's Mark 41 Vertical Launching System (VLS). The missile then establishes communication with

1040-426: Is capable of operating independently, as an element of a coordinated force, or as the nucleus of a surface action group, and to direct and coordinate anti-air, surface, undersea, and strike warfare operations. The ship is equipped with the Aegis combat system and is capable of conducting both offensive and defensive operations using Tomahawk cruise missiles , RGM-84 Harpoon and RIM-66 Standard missiles, CIWS , and

1105-579: Is scheduled instead for the deployment of "about 24 SM-3 IIA interceptors – same timeline, same footprint of U.S. forces to support that." A US defense official was quoted saying that "The SM3 IIB phase four interceptors that we are now not going to pursue never existed other than on Power Points; it was a design objective." Daniel Nexon connected the backpedaling of the administration on the block IIB development with pre-election promises made by Obama to Dmitry Medvedev . Pentagon spokesman George E. Little denied however that Russian objections played any part in

1170-593: Is the introduction of inertial guidance for each phase of the missile's flight except the terminal phase where semi-active homing was retained. This design change was made so that missiles could time share illumination radars and enable equipped ships to defend against saturation missile attacks. Terrier ships reequipped as part of the New Threat Upgrade were refit to operate the RIM-67B (SM-2ER Block II) missile. The RIM-156A Standard SM-2ER Block IV with

1235-632: The Haguro likewise fired an SM-3 Block IB missile with a successful hit outside the atmosphere. Both test firings were conducted at the Pacific Missile Range Facility on Kauai Island , Hawaii, in cooperation with the U.S. Navy and U.S. Missile Defense Agency . This was the first time the two ships conducted SM-3 firings in the same time period, and the tests validated the ballistic missile defense capabilities of Japan’s newest Maya -class destroyers . On July 3, 2010, Poland and

1300-865: The Iran–Iraq War (1980–1988) the United States deployed Standard missiles to protect its navy, as well as other ships in the Persian Gulf from the threat of Iranian attacks. According to the Iranian Air Force , its F-4 Phantom IIs were engaged by SM-2ERs but managed to evade them, with one aircraft sustaining non-fatal damage due to shrapnel. During the same war the United States Navy mistakenly shot down an Iranian civilian airliner, Iran Air Flight 655 using two SM-2 missiles. On April 18, 1988, during Operation Praying Mantis ,

1365-623: The Ronald Reagan Ballistic Missile Defense Test Site on Kwajalein Atoll toward the ocean area northeast of Hawaii. The USS  John Finn  (DDG-113) used off-board sensors through the Command and Control Battle Management Communications (C2BMC) network to track it and then launch an interceptor to destroy the threat. The test demonstrated the SM-3's ability to counter ICBMs and, because of

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1430-625: The United States Navy and the first ship of the class homeported on the west coast. She is the fifth ship named after American Revolutionary War naval captain John Paul Jones and the second to carry his first name. She was built at Bath Iron Works in Bath, Maine. The ship is part of Destroyer Squadron 9 of Carrier Strike Group 11 , which is headed by the nuclear-powered aircraft carrier USS Nimitz (CVN-68) . John Paul Jones

1495-533: The frigate USS  Simpson fired four RIM-66 Standard missiles and the cruiser USS  Wainwright fired two RIM-67 Standard missiles at Joshan , an Iranian Kaman -class (La Combattante II type) missile boat. The attacks destroyed the Iranian ship's superstructure but did not sink it. RIM-67 Standard was deployed on ships of the following classes, replacing the RIM-2 Terrier, and it never

1560-529: The 5-inch (127 mm) gun. The Arleigh Burke class is the first class of U.S. warships to be fitted with an integrated chemical, biological and radiological defense system. The ship is named in honor of John Paul Jones and derives her motto from his words: "I wish to have no connection with any ship that does not sail fast, for I intend to go in harm's way." Construction of John Paul Jones began on 8 August 1990, at Bath Iron Works in Bath, Maine . The ship

1625-659: The Aegis Combat System it has a smaller compact sized booster stage for firing from the Mk41 Vertical Launching System. Like the earlier RIM-67B it employs inertial/command guidance with terminal semi-active homing. (ex-RIM-67E) Cancelled as a part of the whole NATBMD program in December 2001. USS John Paul Jones (DDG-53) USS John Paul Jones (DDG-53) is the third Arleigh Burke -class guided missile destroyer in

1690-689: The Aegis radar's limited detection and tracking range relative to the interceptor, showed how the C2BMC network can increase the area that could be defended using engage-on-remote capabilities. During the April 2024 Iranian airstrikes on Israel , the SM-3 was deployed for the first time in combat. The USS Arleigh Burke (DDG-51) and USS Carney (DDG 64) fired several interceptors towards Iranian ballistic missiles. The SM-3 block IA version provides an incremental upgrade to improve reliability and maintainability at

1755-576: The Block IIB program however do not affect the planned Block IB deployments in Romania. RIM-156 Standard The RIM-67 Standard ER (SM-1ER/SM-2ER) is an extended range surface-to-air missile (SAM) with a secondary anti-ship capability, originally developed for the United States Navy (USN). The RIM-67 was developed as a replacement for the RIM-8 Talos , a 1950s system deployed on

1820-608: The DDGMOD (HM&E) upgrade. On 1 November 2015, John Paul Jones participated in Campaign Fierce Sentry Flight Test Operational-02 Event 2 (FTO-02 E2), a complex $ 230 million U.S. military missile defense system test event conducted at Wake Island and the surrounding ocean areas. During the test, the destroyer shot down a simulated anti-ship cruise missile but failed to intercept a medium-range ballistic missile that

1885-611: The Mk 72 booster was developed to compensate for the lack of a long range SAM for the Ticonderoga class of Aegis cruisers . The Mk72 booster allows the RIM-156A to fit into the Mark 41 Vertical Launching System . This configuration can also be used for Terminal phase Ballistic Missile Defense. There was a plan to build a nuclear armed standard missile mounting a W81 nuclear warhead as

1950-486: The Navy gains the ability to defend against medium range missiles and some Intermediate Range Ballistic Missiles. SM-3 block II will widen the missile body to 21 in (530 mm) and decrease the size of the maneuvering fins. It will still fit in Mk41 vertical launch systems, and the missile will be faster and have longer range. The SM-3 block IIA is a joint Raytheon/Mitsubishi Heavy Industries project, block IIA will add

2015-401: The SM-3 than a much larger unitary target missile. They also did not mention the fact the system is successfully intercepting targets much smaller than probable threat missiles on a routine basis, and have attained test scores that many other Defense Department programs aspire to attain. In an October 25, 2012, test, a SM-3 Block IA failed to intercept a SRBM. In May 2013 however a SM-3 Block IB

RIM-161 Standard Missile 3 - Misplaced Pages Continue

2080-534: The United States because it lacks the range. Turkey is a better option, but only if the interceptors can be launched within 100 miles of the launch site and early enough to hit targets in their boost phase, an engagement scenario that presents a whole new set of challenges. The best basing option is in the North Sea, but making the SM-3 Block 2B ship compatible could add significantly to its cost". The troubles of

2145-640: The United States signed an amended agreement for missile defense under whose terms land-based SM-3 systems would be installed in Poland at Redzikowo . This configuration was accepted as a tested and available alternative to missile interceptors that were proposed during the Bush administration but which are still under development. U.S. Secretary of State Hillary Clinton , present at the signing in Kraków along with Polish Foreign Minister Radoslaw Sikorski , stressed that

2210-529: The decision. In September 2009, President Obama announced plans to scrap plans for missile defense sites in East Europe, in favor of missile defense systems located on US Navy warships. On 18 September 2009, Russian Prime Minister Putin welcomed Obama's plans for missile defense which may include stationing American Aegis armed warships in the Black Sea. This deployment began to occur that same month, with

2275-632: The deployment of Aegis-equipped warships with the RIM-161 SM-3 missile system, which complements the Patriot systems already deployed by American units. In February 2013, a SM-3 intercepted a test IRBM target using tracking data from a satellite for the first time. On 23 April 2014, Raytheon announced that the U.S. Navy and the Missile Defense Agency had started to deploy the SM-3 Block 1B missile operationally. The deployment starts

2340-409: The development program of the SM-3 block IIB, also known as the "next generation AEGIS missile" (NGAM), was undergoing restructuring. Under Secretary James N. Miller was quoted saying that "We no longer intend to add them [SM-3 block IIB] to the mix, but we'll continue to have the same number of deployed interceptors in Poland that will provide coverage for all of NATO in Europe", explaining that Poland

2405-451: The earlier plan of Aegis Ashore installations, commissioning one by the end of fiscal year 2027, and the other by the end of FY2028. The budget for design and other related expenses are to be submitted in the form of “item requests”, without specific amounts, and the initial procurement of the lead items are expected to clear legislation by FY2023. Construction is to begin in the following year of FY2024. At 20,000 tons each, both vessels will be

2470-514: The first-stage motor with the Block I. The Block IIA was "designed to allow for Japan to protect against a North Korean attack with fewer deployed ships" but it is also the key element of the EPAA phase 3 deployment in Europe. The Block IIA is being jointly developed by Raytheon and Mitsubishi Heavy Industries ; the latter manages "the third-stage rocket motor and nose cone". The U.S. budgeted cost to date

2535-607: The fiscal 2015 state budget for research on introducing the ground-based SM-3. Japanese ballistic missile defense strategy involves ship-based SM-3s to intercept missiles in space, while land-based Patriot PAC-3 missiles shoot down missiles SM-3s fail to intercept. Due to concern that PAC-3s could not respond to massive numbers of missiles fired simultaneously, and that the Maritime Self-Defense Force needs Aegis destroyers for other missions, basing SM-3s on land would be able to intercept more missiles earlier. With

2600-404: The history of the Navy. The ship has completed four deployments to the Persian Gulf . On 7 October 2001, John Paul Jones launched the first Tomahawk missiles into Afghanistan as part of Operation Enduring Freedom . In June 2010, she began a ten-month yard period during which her machinery control system and many hull mechanical and electrical systems (HM&E) systems were upgraded. This

2665-459: The initial acceleration stage before the separation of their warheads. On 3 February 2017, USS John Paul Jones , using its onboard Aegis Missile Defense System and a Standard Missile-3 Block IIA interceptor, destroyed a medium-range ballistic missile. On 21 June 2017, the second test of USS John Paul Jones , using its onboard Aegis Missile Defense System and launching a Standard Missile-3 Block IIA interceptor, did not intercept its target, after

RIM-161 Standard Missile 3 - Misplaced Pages Continue

2730-471: The largest surface combatant warships operated by the JMSDF, and according to Popular Mechanics , they will "arguably [be] the largest deployable surface warships in the world.". On 16 November 2022, the guided-missile destroyer Maya fired an SM-3 Block IIA missile, successfully intercepting the target outside the atmosphere in the first launch of the missile from a Japanese warship. On 18 November 2022,

2795-466: The launching ship. Once the booster burns out, it detaches, and the Aerojet MK 104 solid-fuel dual thrust rocket motor (DTRM) takes over propulsion through the atmosphere. The missile continues to receive mid-course guidance information from the launching ship and is aided by GPS data. The ATK MK 136 solid-fueled third-stage rocket motor (TSRM) fires after the second stage burns out, and it takes

2860-704: The main vector of this effort because the competing U.S. THAAD does not have enough range and would have required too many sites in Europe to provide adequate coverage. Compared to the GMD 's Ground-Based Interceptor however, the SM-3 Block I has about 1 ⁄ 5 to 1 ⁄ 6 of the range. A significant improvement in this respect, the SM-3 Block II variant widens the missile's diameter from 0.34 m (13.5 in) to 0.53 m (21 in), making it more suitable against intermediate-range ballistic missiles . The highly modified Block IIA missile shares only

2925-507: The missile above the atmosphere (if needed). The TSRM is pulse fired and provides propulsion for the SM-3 until 30 seconds to intercept. At that point, the third stage separates, and the Lightweight Exo-Atmospheric Projectile (LEAP) kinetic warhead (KW) begins to search for the target using pointing data from the launching ship. The Aerojet throttleable divert and attitude control system (TDACS) allows

2990-692: The missile defense program was aimed at deterring threats from Iran, and posed no challenge to Russia. As of March 2013, Poland is scheduled to host "about 24 SM3 IIA interceptors" in 2018. This deployment is part of phase 3 of the European Phased Adaptive Approach (EPAA). In 2010/2011 the US government announced plans to station land-based SM-3s (Block IB) in Romania at Deveselu starting in 2015, part of phase 2 of EPAA. There are some tentative plans to upgrade them to Block IIA interceptors around 2018 as well (EPAA phase 3). In March 2013,

3055-496: The missile's success rate in hitting targets. In a published response in 2012, the Defense Department claimed that these findings were invalid, as the analysts used some early launches as their data, when those launches were not significant to the overall program. The DoD stated: ... the first tests [used] prototype interceptors; expensive mock warheads weren't used in the tests since specific lethality capability wasn't

3120-671: The newer missile. The second generation of Standard missile, the Standard Missile 2, was developed for the Aegis Combat System , and the New Threat Upgrade (NTU) program that was planned for existing Terrier and Tartar ships. The destroyer USS  Mahan served as the test platform for the development of the CG/SM-2 (ER) missile program project. The principal change over the Standard Missile 1

3185-524: The option of upgrading the Romanian site to the SM-3 IIA, either all of the interceptor tubes or we'll have a mix. We have to make that decision. But both options will be there." The SM-3 Block IIB (currently in development for EPAA phase 4) was considered for deployment to Romania as well (around 2022), but a GAO report released Feb. 11, 2013 found that "SM-3 Block 2B interceptors launched from Romania would have difficulty engaging Iranian ICBMs launched at

3250-421: The performance of the missile's nosecone, steering control, and the separation of its booster, and second and third stages. No intercept was planned, and no target missile was launched. In October 2016, Russian officials claimed research simulations of U.S. ballistic missile defense systems showed the SM-3 Block IIA was capable of intercepting missiles not only at the middle stage of their flight path, but earlier in

3315-422: The satellite in the right spot to negate the hazardous fuel tank at the highest closure rate of any ballistic missile defense technology ever attempted. The authors of the SM-3 study cited only tests involving unitary targets, and chose not to cite the five successful intercepts in six attempts against separating targets, which, because of their increased speed and small size, pose a much more challenging target for

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3380-485: The satellite, with a closing velocity of about 22,783 mph (36,667 km/h, 10.18 km/s) while the satellite was 247 kilometers (133 nautical miles) above the Pacific Ocean. USS  Decatur , USS  Russell as well as other land, air, sea and space-based sensors were involved in the operation. In December 2007, Japan conducted a successful test of an SM-3 block IA aboard JS  Kongō against

3445-695: The second phase of the Phased Adaptive Approach (PAA) adopted in 2009 to protect Europe from Iranian ballistic missile threats. In the Far East the US Navy and Japan plan to deploy increased numbers of the next generation SM-3 Block IIA weapons on their ships. The first use of the SM-3 in combat occurred during the April 2024 Iranian strikes against Israel . USS  Carney and USS  Arleigh Burke used four to seven missiles to shoot down at least six Iranian ballistic missiles. On February 14, 2008, U.S. officials announced plans to use

3510-450: The strike was, in fact, military in nature. A spokesperson stated that software associated with the SM-3 had been modified to enhance the chances of the missile's sensors recognizing that the satellite was its target, since the missile was not designed for ASAT operations. On February 21, 2008 at 03:26 UTC, the Ticonderoga -class guided-missile cruiser USS  Lake Erie fired a single SM-3 missile, hit and successfully destroyed

3575-518: The test program progressed from just "hitting the target" to one of determining lethality and proving the operationally configured Aegis SM-3 Block I and SM-3 Block 1A system. These tests were the MDA's most comprehensive and realistic test series, resulting in the Operational Test and Evaluation Force's October 2008 evaluation report stating that Aegis Ballistic Missile Defense Block 04 3.6 System

3640-500: The warhead to maneuver in the final phase of the engagement. The KW's sensors identify the target, attempt to identify the most lethal part of the target and steer to that point. If the KW intercepts the target, it provides 130 megajoules (96,000,000  ft⋅lbf ; 31 kilograms of TNT ) of kinetic energy at the point of impact. Independent studies of earlier missile versions by some physics experts before 2010 raised significant questions about

3705-529: Was VLS-capable. All of the ships used the AN/SPG-55 for guidance. The Mk10 guided missile launching system was used as the launching system. New Threat Upgrade equipped vessels operated the RIM-67B which used inertial guidance for every phase of the intercept except for the terminal phase where the AN/SPG-55 radar illuminates the target. The RIM-156 Standard Block IV, is a version that has been developed for

3770-461: Was a first in class effort, similar to the CG-47 mid life upgrade undertaken on the Ticonderoga hull. On 10 June 2011, she anchored off the coast of Malibu, California , at the beginning of a three-day celebration called Navy Days designed to thank the sailors and their families for their service to the country. On 29 November 2011, John Paul Jones was the first ship to deploy after receiving

3835-525: Was christened and launched on 26 October 1991. John Paul Jones was selected as the Shock Trial platform for the DDG-51 class. The ship was subjected to a series of close range explosions in order for the Navy to obtain critical information concerning the survivability of the DDG-51 class in a shock environment. The crew prepared the ship for the most demanding and complex surface ship shock trial test in

3900-537: Was launched from a C-17 transport plane . On 18 January 2016, John Paul Jones sank the decommissioned guided-missile frigate Reuben James in a test of a new anti-surface warfare variant of the Raytheon Standard Missile 6 (SM-6) , becoming the first ship to sink a ship with the new variant of the missile. John Paul Jones fired the missile on the U.S. Pacific Missile Range near Hawaii . On 3 February 2017, John Paul Jones completed

3965-405: Was launched from the Pacific Missile Range Facility at Kauai , Hawaii. On 16 November 2020, an SM-3 Block IIA successfully intercepted a simulated intercontinental ballistic missile (ICBM) target for the first time; the test was congressionally mandated and originally scheduled for May 2020 but was delayed due to COVID-19 restrictions. An ICBM-T2 threat-representative target was launched from

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4030-419: Was operationally effective and suitable for transition to the Navy. Since 2002, a total of 19 SM-3 missiles have been fired in 16 different test events resulting in 16 intercepts against threat-representative full-size and more challenging subscale unitary and full-size targets with separating warheads. In addition, a modified Aegis BMD/SM-3 system successfully destroyed a malfunctioning U.S. satellite by hitting

4095-483: Was successful against a "complex, separating short-range ballistic missile target with a sophisticated separating mock warhead", making it "the third straight successful test of Raytheon's SM-3 Block IB, after a target was missed on its first intercept attempt in September 2011." On 4 October 2013, an SM-3 Block IB eliminated the medium-range ballistic missile target at the highest altitude of any test to date. The test

4160-489: Was the 26th successful intercept for the SM-3 program and the fifth back-to-back successful test of the SM-3 Block IB missile. Post-mission data showed that the intercept was slightly lower than anticipated, but the systems adjusted to ensure the missile intercepted the target. The SM-3 Block IB is expected to be delivered for service in 2015. On 6 June 2015, an SM-3 Block IIA was successfully tested. The test evaluated

4225-613: Was the Navy's replacement for RIM-8 Talos missile. Improved technology allowed the RIM-67 to be reduced to the size of the earlier RIM-2 Terrier missile. Existing ships with the Mk86 guided missile fire control system, or "Terrier" were adapted to employ the new missile in place of the older RIM-2 Terrier missile. Ships that switched from the RIM-2 Terrier to the RIM-67A were still referred to as Terrier ships even though they were equipped with

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