The line is ready, FIRE!
An Airman loads a magazine with 5.56mm ammunition, preparing for the next series of firing April 12 at Luke Air Force Base, Ariz. Airmen must be qualified in their primary weapon prior to deploying in support of the war on terrorism. There are more than 28,000 Airmen deployed around the world today. (U.S. Air Force photo/Senior Airman Christopher Hummel)