Keywords: US Navy 070521-N-0000X-021 Sailors prepare to take cover as a sandstorm engulfs the Hardened Aircraft Shelter at Al Asad Air Base, Iraq.jpg en AL ASAD Iraq May 21 2007 - Sailors prepare to take cover as a sandstorm engulfs the Hardened Aircraft Shelter at Al Asad Air Base Iraq Pilots stationed at Al Asad air base use the base to fly missions in support of the Global War on Terrorism U S Navy photo by Senior Chief Aviation Structural Mechanic Andrew Stack RELEASED 2007-05-21 070521-N-0000X-021 Navy http //www navy mil/view_image asp id 48198 U S Navy photo by Senior Chief Aviation Structural Mechanic Andrew Stack PD-USGov-Military-Navy Al Asad Airbase Hardened aircraft shelters |