Behind Enemy Lines (2001)

during the war in yugoslavia between serbs and bosnians an american pilot, tired of carrying out only simple reconnaissance orders, to try a new camera installed on his plane, goes unevenly into the serbian space, where his device is shot down. after witnessing the summary execution of his co-pilot he understands that war is not a game and that he must do everything to escape and reach a place where he can be recovered by his fellow soldiers.