D-21 Drone

A United States Air Force Lockheed C-140A JetStar sits on display in bright sunshine, showing its distinctive rear-mounted engine nacelles and swept tail.

A historic Curtiss JN-4 Canuck biplane trainer on display in a museum, with yellow wings and a dark green fuselage.

A close museum view into the angular cockpit of a black Lockheed SR-71 Blackbird, with its ejection-seat warning and canopy-lock markings visible.

A preserved U.S. Air Force’s version of the Lockheed SR-71 Blackbird fills the frame in a museum hangar, with another small aircraft suspended overhead.

A REPLICA Wright-era aircraft is displayed suspended among the historic aviation exhibits, with its fabric-covered wings and wire-braced structure on view.

A Boeing P-12E biplane fighter on display, wearing the U.S. Army Air Corps’ classic olive-drab and yellow scheme.

A weathered California-marked F-4 Phantom II rests on display beneath a clear blue sky, with other historic aircraft visible behind it.

A polished, four-engine Boeing B-29 Superfortress rests on display, its broad wing and wartime U.S. markings set against a clear sky.

A preserved U.S. Air Force Piasecki H-21B Workhorse, its distinctive tandem rotors and olive-drab fuselage displayed in bright sunlight.

A retired USAF HH-3E Jolly Green Giant rescue helicopter on display at the March Field Air Museum.

A preserved U.S. Marine Corps UH-34D Seahorse, photographed from the tail with its main rotor and olive-drab markings visible.

A front-on view of a preserved Boeing B-17G Flying Fortress, its glazed nose and four radial engines prominent against a clear sky.

A polished Boeing B-17G Flying Fortress named “Starduster” sits on the airfield, its four radial engines and broad wings set against a clear mountain backdrop.

A preserved Republic F-105 Thunderchief stands among other military aircraft on an outdoor display, with an Army helicopter visible behind it.

A silver MiG-17 Fresco fighter, marked with red stars and the number 1505, on static display beneath a clear blue sky.

A preserved U.S. Coast Guard Grumman HU-16E Albatross amphibian rests among other historic aircraft beneath a clear blue sky.

A preserved MiG-15UTI trainer sits on static display, its tandem canopy and nose intake characteristic of the classic early Cold War jet.

A weathered USAF C-97 Stratofreighter on display, photographed close beneath its massive radial-engine nacelle and four-blade propeller.

A weathered F-111 Aardvark sits nose-on among other retired military aircraft at an outdoor display.