Senior Airman Michael Schena prepares to load an AIM-120C missile on to an F-15 Eagle Friday, Feb. 15, 2013, at Nellis Air Force Base, Nev. Weapons loaders have many duties including loading, unloading, positioning and preparing munitions. Schena is a weapons load crew member assigned to the 57th Maintenance Group. (U.S. Air Force photo by Senior Airman Matthew Lancaster)