WRIGHT-PATTERSON AIR FORCE BASE, Ohio, Sept. 14 -- The U.S. Air Force Institute of Technology issued the following news release:

The LGM-35A Sentinel intercontinental ballistic missile program reached a critical milestone by completing the vertical stacking of the inert missile at Vandenberg Space Force Base (https://www.vandenberg.spaceforce.mil/), California. The vertical integration event demonstrated the maturity of the missile's design and verified that all critical subsystems are on track for initial flight testing in 2027.

"This is more than a milestone, this integration demonstrates our commitment to moving forward with the pace necessary to modernize the ground-based leg of our nuclear triad and deliver critical capability to the...