This estrela Wars: Revenge of the Sith wallpaper might contain
canhão, atirador, antiaéreo, arma antiaérea, artilharia antiaérea, flack, pom pom, ack ack, ack ack gun, flak, pom do pom, ack do ack, arma do ack do ack, antiaircraft, antiaircraft arma flak, and ack ack arma.