Amentum Secures $572M US Defense Contract for Cheyenne Mountain Support

Key Facts

1Amentum has been awarded a $572 million defense contract to support the Cheyenne Mountain hub.

Amentum has been awarded a $572 million defense contract to support the Cheyenne Mountain hub. Seeking Alpha reported that the agreement covers operations, maintenance, and sustainment of tactical warning and space command-and-control systems for the US Department of Defense.

AMTM closed at $19.19 on September 25, 2026, with the stock reaching a session high of $19.37 and a low of $19.01. The contract win provides significant revenue visibility for the contractor within the strategic defense infrastructure market.