Keen Sword 2011
A U.S. Security Forces Airman, operating as an exercise aggressor, takes aim in a field, Dec. 4, 2010, during a bilateral exercise at Misawa Air Base, Japan. The exercise brought together members of the Japan Ground Self-Defense Force, Japan Air Self Defense Force, and the U.S. Air Force to practice defending the base against potential threats such as unauthorized entries, improvised explosive devices, surveillance and probing by adversaries. (U.S. Air Force photo by Senior Airman Jessica Lockoski)