pilotless aircraft, pilotless, uav, missile, gunship, copter, copters, helicopter gunship, warplane, rockets, airstrike, counterfire, jets, stealth bomber, awacs, planes, missle, strafes, elint, aircraft, jdam, choppers, helicopters, stealth fighter, cruise missile, satellites, spaceship, bomber, spy satellite, subsonic, antiaircraft fire, ornithopter, dirigible, ballistic missile, supersonic, spacecraft, homing torpedo, tambura, interceptor, reconnaissance, intercontinental ballistic missile, ramjet, manpad, hypersonic, doodlebugs, obscurant, airplanes, hum, gabble, airliner, turbojet engine, crump, turkey buzzard, thrum, mortars, icbm, stealth, incursions, artillery, firebase, handclap, spy, shellfire, sonic boom, ballistic trajectory, helo, turbofan engine, whirlybirds, birdsongs, whump, doppler, inertial guidance, whirr, radars, afterburner, orchestrion, sigint, airforce, bombsight, flying saucer, dirge, electronic warfare, minisub, cawing, meteor, whir, glissando, krautrock, birdcall, celli, meteoroid, munition, payload, rocketeer, bin laden, signaler, faa, sorties, airbase, pneumatic drill, caterwaul, uss cole, droning, rumble, humming, whine, buzz, rattle, rumbling, creak, purr, tinkle, tinkling, ringing, roar, rustle, throbbing, thunder, ticking, brood, moth, tsetse, uncapped, ciliated, germ, honey, plucked, silkworm, treble, unhatched, uninfected, anopheline, ant, beetle, bowed, brownish, clogged, compacted, cortical

lingerer, loiterer, plodder, potterer, putterer, slowcoach, slowpoke, stick-in-the-mud, straggler

cicada, cicala, pilotless, punctuate

bagpipe, pipes

aircraft, bee, bum, do-nothing, go, idler, intonation, layabout, loafer, mouth, pipe, pitch contour, sound, speak, tabor pipe, talk, utter, verbalize

bourdon, dawdler, drone on, drone pipe, droning, laggard, monotone, pilotless aircraft, radio-controlled aircraft