Totally Tubular Air Force Senior Airman Samuel Griego, left, and Airman 1st Class Tavi Carter-Smith, both aerospace propulsion journeymen assigned to the 509th Maintenance Squadron, inspect an exhaust tube in the test cell at Whiteman Air Force Base, Mo., Aug. 20, 2025, during testing of a B-2 Spirit aircraft engine. The squadron's propulsion flight delivers safe, reliable engines for B-2s to ensure the aircraft is ready to fly at a moment's notice. SHARE: Download: Full Size (1.55 MB) Tags: air force Credit: Air Force Staff Sgt. Joshua Hastings VIRIN: 250820-F-XP318-1078K.JPG Photo Gallery