Senior Airman Paul Olmos, member of the 91st Security

Senior Airman Paul Olmos, member of the 91st Security Forces Group’s Global Strike Challenge team, don’s his gas mask during combat arms training and maintenance at Minot Air Force Base, N.D., Sept. 18, 2012. Minot Airmen from both the 5th Bomb Wing and the 91st Missile Wing are participating in this year's Global Strike Challenge from June through November, to showcase the world's premier bomber and ICBM forces and recognize outstanding AFGSC personnel and teams.