Chief Master Sgt. of the Air Force JoAnne S. Bass signs a “Masters of the Air” poster at Joint Base Andrews, Md., Jan. 27, 2024. The “Masters of the Air” series follows the actions of the 100th Bomb Group, a B-17 Flying Fortress unit in the Eighth Air Force during World War II. (U.S. Air Force photo by Airman 1st Class Gianluca Ciccopiedi)