Tech. Sgt. Jimmy Tyquiengco, an engineer from the 254th Red Horse Squadron at Andersen Air Force Base, Guam, and Philippine Air Force Staff Sgt. Ramil Catubay, from the 356th Aviation Engineering Group, Armed Forces of the Philippines, work on a construction project during Operation Pacific Angel in Laoag, Philippines, Feb. 14, 2010. Operation Pacific Angel is a joint and combined humanitarian assistance operation conducted in the Asia-Pacific region to provide medical, dental and engineering assistance. The exercise is scheduled through Feb. 22, 2010. (U.S. Air Force Photo/Capt. Genieve David)