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Jun 18, 2024 · The Minotaur I rocket that launched the Mk21A on June 17 is part of a family of systems based on the Peacekeeper and Minuteman rocket motors, Space Launch Delta 30 noted in a release. The Mk21A is an update to the Mk21 that is currently mounted to the Minuteman III ICBM. Other elements of the Sentinel ICBM have been tested in the past few months.
The Mark 21 nuclear bomb was a United States thermonuclear gravity bomb first produced in 1955. It was based on the TX 21 "Shrimp" prototype that had been detonated during the Castle Bravo test in March 1954. While most of the Operation Castle tests were intended to evaluate weapons intended for immediate stockpile, or which were already available for use as part of the Emergency Capability ...
Exploded diagram of the Mk21 reentry vehicle for the W87 [clarification needed]. The W87 is an American thermonuclear missile warhead formerly deployed on the LGM-118A Peacekeeper ("MX") ICBM. 50 MX missiles were built, each carrying up to 10 W87 warheads in multiple independently targetable reentry vehicles (MIRV), and were deployed from 1986 to 2005. . Starting in 2007, 250 of the W87 ...
Next Generation of Deterrence. Lockheed Martin is a critical government and industry partner in the effort to sustain, and also modernize, the intercontinental ballistic missile (ICBM) leg of the nation’s nuclear triad and provide a credible, land-based strategic deterrent to the warfighter. Lockheed Martin maintains a more than 65-year ...
Oct 31, 2023 · The $996 million award for the Mk21A reentry vehicle was sole-sourced to Lockheed following a technology maturation and risk reduction contract where the defense giant was the sole participant ...
Jun 18, 2024 · An unarmed Mk21A reentry vehicle was tested June 17-18 after being launched from Vandenberg Space Force Base aboard a Minotaur I rocket. The launch was an in-flight environmental test supporting the development of the Air Force's new Mk21A Reentry Vehicle.,
Jun 19, 2024 · The Mk21A is an update to the operational Mk21 that is mounted to the Minuteman III ICBM. The Sentinel ICBM program has been a source of controversy this year after reports emerged that it is ...
On October 30, 2023, Lockheed Martin secured a one billion dollar contract to develop the Mk21A reentry vehicle for the Sentinel intercontinental ballistic missile, bolstering the strategic deterrence capabilities of the US Air Force. This vehicle will be equipped with the modernized W87-1 nuclear warhead and is expected to be operational by 2030.
Jun 18, 2024 · VALLEY FORGE, Pa., June 18, 2024 – The U.S. Air Force and Lockheed Martin [NYSE: LMT] conducted a planned flight test of the unarmed, developmental Mk21A reentry vehicle in the Pacific Ocean on June 17.
Nov 25, 2020 · Lockheed Martin has obtained a $34.94 million contract modification from the USAF Nuclear War Center, for continued technology maturation and risk reduction (TMRR) R&D work on the Mk21A Reentry Vehicle (RV). Under a $108 million contract awarded in October 2019, Lockheed Martin is already working closely with the USAF and the National Nuclear ...
