air breather

air breather
 n.— «Hundreds of American support personnel members on the ground in Colombia complemented these elite forces, in addition to a frenzied intelligence-gathering operation located in the United States Embassy here, drawing on intercepts of the rebel group’s radio systems, human intelligence, satellite imaging and “air breathers,” as piloted surveillance aircraft are called in military jargon.» —“U.S. Aid Was a Key to Hostage Rescue in Colombia” by Simon Romero New York Times July 13, 2008. (source: Double-Tongued Dictionary)