U.S. Air Force, Lockheed Martin Conduct Mk21A Reentry Vehicle Test

The Mk21A is part of the Air Force’s integrated reentry vehicle program, which is essential to the future Sentinel ICBM weapon system.

U.S. Air Force, Lockheed Martin Conduct Mk21A Reentry Vehicle Test

The Mk21A is part of the Air Force’s integrated reentry vehicle program, which is essential to the future Sentinel ICBM weapon system.