An F-16 Fighting Falcon fighter aircraft pilot assigned to the 480th Expeditionary Fighter Squadron fastens his breathing mask onto his helmet Jan. 30, 2015, during a flying training deployment at Souda Bay, Greece. The aircraft conducted the training as part of the bilateral deployment between the Greek and U.S. air forces to develop interoperability and cohesion between the two NATO partners. (U.S. Air Force photo/Staff Sgt. Joe W. McFadden)