Senior Airman Chris Black, a firefighter with the 142nd Fighter Wing out of Portland, Oregon, paints shutters for a local school in Dong Hoi, Quang Binh Province, Vietnam as part of Operation Pacific Angel June 11, 2013. U.S. Military members carry out various construction projects as part of Engineering Civil Action Programs during the operation. Operation PACANGEL is a joint and combined humanitarian assistance exercise held in various countries several times a year and includes medical, dental, optometry, engineering programs and a variety of subject-matter expert exchanges. (U.S. Air Force photo by Staff Sgt. Sara Csurilla)