This doctor who screencap might contain
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, ack ack arma, motor de combustão interna, gelo, internal combustion engine, and ice.