The Mk-21 reentry vehicle (RV) used with the W87 warhead was previously known as the ABRV, Advanced Ballistic Reentry Vehicle, designed by AVCO Systems Division. This RV affords the warhead greater accuracy.

2024年6月18日 · After attaining full operational capability, the Mk21A RV will be integrated on the nation’s intercontinental ballistic missile weapon system. The Mk21A program is currently in early development and overseen by the Air Force Nuclear Weapons Center.

2001年9月1日 · Mk-21 RV formerly known as the ABRV (Advanced Ballistic Reentry Vehicle) developed by AVCO Systems Division. Heavier, but higher accuracy and lower cost than the Mk-12A. Tests of the Mk-21's hardness to nuclear effects were conducted in 1984-86:

2023年10月31日 · WASHINGTON — Lockheed Martin has been awarded nearly $1 billion to develop a new reentry vehicle for the LGM-35A Sentinel intercontinental ballistic missile (ICBM), the Pentagon announced Monday...

Mk21A is an integrated reentry vehicle (RV) being designed to deploy the W87-1 warhead for the U.S. Air Force’s future Sentinel ICBM. It is an adaptation of the Mk21 reentry vehicle. The Lockheed Martin Mk21A design is maturing using advanced Digital Engineering tools, including advanced modeling and simulation.

2023年10月31日 · Under this sole-source acquisition deal, announced Oct. 30, Lockheed will engineer, manufacture, and design the new RV, dubbed MK21A, in several locations including King of Prussia, Penn. The contract, overseen by the Air Force Nuclear Weapons Center, aims to reduce technical risks and ensure the affordability of the RV, according to the ...

2024年6月18日 · The Mk21A RV is currently under contract with Lockheed Martin for its engineering and manufacturing development phase. After attaining full operational capability, the Mk21A RV will be integrated on the nation’s intercontinental ballistic missile weapon system.

2018年4月4日 · Mk21A再入飞行器（RV）将从“陆基战略威慑”（GBSD）洲际弹道导弹上发射，携带美空军和美海军翻新的W78和W88-1核弹，这种新型配置也被称做“互用战斗部1型”（IW-1）核弹头。 预算计划. 根据美空军2019财年的预算申请，Mk21A再入飞行器可获得1840万美元的启动资金。 后期预算预计将在2021财年达到1.13亿美元的最高值，并在2023财年降至8190万美元。 整个项目的研发成本目前仍在完善当中。 技术成熟和风险降低活动. Mk21A再入飞行器项目在技术成 …

2019年10月18日 · 据了解，Mk21A再入飞行器计划的技术成熟度和降低风险（TMRR）阶段的主要活动包括通过政府系统工程，分析并测试开发能力，然后采用行动降低再入飞行器的研发风险，最终达成武器系统集成风险降低的目的。 报道称，再入飞行器是指可以飞入临近空间后大气层再入的飞行器，一般情况下这类飞行器都包括一个很长的尖端来减少风阻、此外还要装备高脉冲换能器、引信、飞行器前部，燃料舱部分和尾部、带天线的射频的子系统、保持稳定的自旋系统等。 …

2023年10月30日 · Lockheed Martin Corp., King of Prussia, Pennsylvania, was awarded a $996,215,214 contract for the MK21A Reentry Vehicle (RV) program. This contract provides for conducting engineering,...