Tuesday was the first time Waltz faced lawmakers since mistakenly adding a journalist to a private Signal chat used to discuss sensitive military plans.
The Pentagon has acknowledged that an Iranian ballistic missile hit Al Udeid Air Base in June during an Iranian attack after Trump downplayed the assault.
The DOD's fiscal 2026 budget calls for the Air Force to retire its remaining 162 A-10 attack planes. The Senate's version would have the service keep 103.