Coin and Retreat Air Force trainees participate in the Coin and Retreat Ceremony’s naturalization recognition at Joint Base San Antonio-Lackland, Texas, Sept. 25, 2024. The ceremony is one of three Air Force military training graduation events that mark the transition from trainee to airman. SHARE: Download: Full Size (1.28 MB) Tags: Air Force Credit: Vanessa Adame, Air Force VIRIN: 240925-F-JH281-1027.JPG Photo Gallery