Where the Journey Begins Incoming members of the U.S. Air Force Academy Class of 2030 participate in In-processing Day at the academy in Colorado Springs, Colo., June 24, 2026. In-processing Day, or I-Day, marks the beginning of basic cadet training and is a key step on the cadets' path toward commissioning as officers in the Air Force or Space Force. SHARE: Download: Full Size (1.4 MB) Tags: air force, education, space force Credit: Ray Bahner, Air Force VIRIN: 260624-F-HI801-9060.JPG Photo Gallery