mobility
Senior Airman Nathan Pile, a 19th Logistics Readiness Squadron mobility readiness spares packages journeyman, and Senior Airman Shantwanique Harris, a 19th Logistics Readiness Squadron mobility readiness spares packages journeyman, move a propeller March 12, 2015, at Little Rock Air Force Base, Ark. A single propeller costs approximately $600,000. (U.S. Air Force photo by Senior Airman Stephanie Serrano)