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To replace the ALCM, the USAF planned to award a contract for the development of the new Long-Range Stand-Off weapon in 2015. [6] Unlike the AGM-86, the LRSO will be carried on multiple aircraft. The LRSO program is to develop a weapon that can penetrate and survive integrated air defense systems and prosecute strategic targets.
The JASSM-ER is also the basis for AGM-158C Long Range Anti-Ship Missile, which is a JASSM-ER with a new seeker. [65] The Air Force used the B-1 Lancer to complete a captive carry test of an LRASM to ensure the bomber can carry it, as both missiles use the same airframe.
The warhead will be used on the new AGM-181 LRSO cruise missile. [2] The first production unit is expected to be completed in 2027. [ 2 ] According to public descriptions of the program, the warhead will offer no increased military capability, only refurbishing and updating components, and increasing weapon safety and reliability.
The AGM-158B JASSM-ER was estimated to have a maximum range of 500 nmi (930 km). [3] [17] However, LRASM's range is shorter than the JASSM-ER it is based upon, due to the extra space for the navigation/sensor/passive radar needs. Lockheed Martin has claimed the missile's range is greater than 200 nmi (370 km). [18]
The tandem warhead is fitted with two shaped charges: a precursor warhead to detonate any explosive reactive armor and a primary warhead to penetrate base armor. In what is known as a " soft launch arrangement," the missile is ejected from the launcher to a safe distance from the operator before the main rocket motors ignite. [ 17 ]
The WGU-59/B mid-body guidance unit is equipped with DASALS seeker optics which deploy 0.5 seconds after launch. They are attached in between the Mk 66 Mod 4 rocket motor and a warhead and fuze, which increases length by 18.5 in (47 cm) and weight by 9 lb (4.1 kg) over the legacy Hydra system. [5]
The W71 nuclear warhead Warhead being lowered into the borehole. The W71 nuclear warhead was a US thermonuclear warhead developed at Lawrence Livermore National Laboratory in California and deployed on the LIM-49A Spartan missile, a component of the Safeguard Program, an anti-ballistic missile (ABM) defense system briefly deployed by the US in the 1970s.
The LIM-49 Spartan was a United States Army anti-ballistic missile, designed to intercept attacking nuclear warheads from intercontinental ballistic missiles at long range and while still outside the atmosphere. For actual deployment, a five-megaton thermonuclear warhead was planned to destroy the incoming ICBM warheads. [1]