As of the start of Fiscal Year 2025, the Air Force had 222 C-17As and 52 C-5Ms in its inventory. USAFAs it stands now, NGAL is “basically a two-for-one to replace both the C-17 and the C-5,” Lamontagne said. We will need aircraft that have capabilities that we don’t have today, specifically to make sure that we’re connected,” Reed added. “And the Air Force is working real hard to provide that for us.”A quartet of C-17s. “There are no current plans to restart the C-17,” Lamontagne said, but acknowledged it is something that has been discussed.