The Lockheed D-21 was an American Mach 3+ reconnaissance drone. The
D-21 was initially designed to be launched off the back of its M-21 carrier
aircraft, a variant of the Lockheed A-12 aircraft. Development began in October
1962. Originally known by the Lockheed designation Q-12, the drone was
intended for reconnaissance missions deep into enemy airspace.
In the 1960s, Lockheed's secret Skunk Works developed the Mach 3 A-12
reconnaissance aircraft for the Central Intelligence Agency (CIA)
Wingspan: 19 ft 1/4 in (5.79 m)
Length: 42 ft 10 in (12.8 m)
Height: 7 ft 1/4 in (2.14 m)
Launch weight: 11,000 lb (5,000 kg)
Maximum speed: Mach 3.35 (2,210 mph, 1,920 knots, 3,560 km/h)
Service ceiling: 95,000 ft (29,000 m)
Range: 3,000 nmi, 3,450 mi, 5,550 km
Engine: 1 x Marquardt RJ43-MA-20S4 ramjet, 1,500 lbf (6.67 kN)
without booster
D-21 was initially designed to be launched off the back of its M-21 carrier
aircraft, a variant of the Lockheed A-12 aircraft. Development began in October
1962. Originally known by the Lockheed designation Q-12, the drone was
intended for reconnaissance missions deep into enemy airspace.
In the 1960s, Lockheed's secret Skunk Works developed the Mach 3 A-12
reconnaissance aircraft for the Central Intelligence Agency (CIA)
Wingspan: 19 ft 1/4 in (5.79 m)
Length: 42 ft 10 in (12.8 m)
Height: 7 ft 1/4 in (2.14 m)
Launch weight: 11,000 lb (5,000 kg)
Maximum speed: Mach 3.35 (2,210 mph, 1,920 knots, 3,560 km/h)
Service ceiling: 95,000 ft (29,000 m)
Range: 3,000 nmi, 3,450 mi, 5,550 km
Engine: 1 x Marquardt RJ43-MA-20S4 ramjet, 1,500 lbf (6.67 kN)
without booster
| SR-71 d 21 Drone Micro Paper Airplane |
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