Space A: How to hop
A 502nd Logistics Readiness Squadron Passenger Services Airman directs a stair truck at the Joint Base San Antonio-Lackland Passenger Terminal at old Kelly Air Force Base, Texas, Feb. 7, 2017. The JBSA Passenger Terminal offers Space-Available, or Space-A, flights at no expense to service members and their dependents and retirees. (U.S. Air Force photo by Airman 1st Class Lauren Parsons/Released)