Tuesday was the first time Waltz faced lawmakers since mistakenly adding a journalist to a private Signal chat used to discuss sensitive military plans.
Veterans visited congressional offices this week to deliver messages of concern over recent Pentagon moves targeting the roles of women in the military.
The Truman saw continuous action for over 50 days, conducting precision airstrikes and launching missiles while under constant fire from Houthi militants.
Sixteen aircraft dropped 124,000 pounds of ordnance in less than two minutes during a Feb. 1 airstrike in Somalia, a defense official told Military Times.