US Air Force (USAF) STAFF Sergeant (SSGT) Gregory Small (left), Course Instructor, Air Force Pre-Ranger School, Indian Springs Air Force Auxiliary Air Field (AFLD), Nevada (NV), grinds out push-ups with students during the physical training (PT) portion of the Air Force two-week Pre-Ranger Course. This training is designed to select USAF personnel to attend the US Army (USA) Ranger School at Fort Benning, Georgia (GA)