Lockheed D-21

Summary

Lockheed D-21 is an aircraft model^[1]. It ranks in the top 4% of aircraft_model entities by monthly Wikipedia readership (706 views/month).^[2]

Key Facts

• Lockheed D-21's image is recorded as The Lockheed D-21.jpg^[3].
• Lockheed D-21's image is recorded as M21Ship2-cropped.jpg^[4].
• Lockheed D-21's instance of is recorded as aircraft model^[5].
• Lockheed D-21's operator is recorded as United States Air Force^[6].
• Lockheed D-21's operator is recorded as Central Intelligence Agency^[7].
• Lockheed D-21's manufacturer is recorded as Lockheed Corporation^[8].
• Lockheed D-21's developer is recorded as Kelly Johnson^[9].
• Lockheed D-21's made from material is recorded as titanium^[10].
• Lockheed D-21's subclass of is recorded as unmanned surveillance and reconnaissance aerial vehicle^[11].
• Lockheed D-21's subclass of is recorded as supersonic aircraft^[12].
• Lockheed D-21's Commons category is recorded as Lockheed D-21^[13].
• Lockheed D-21's country of origin is recorded as United States^[14].
• Lockheed D-21's powered by is recorded as Marquardt RJ43^[15].
• Lockheed D-21's first flight is recorded as +1964-12-22T00:00:00Z^[16].
• Lockheed D-21's first flight is recorded as +1966-03-05T00:00:00Z^[17].
• Lockheed D-21's Freebase ID is recorded as /m/03blhc^[18].
• Lockheed D-21's service entry is recorded as +1969-11-09T00:00:00Z^[19].
• Lockheed D-21's service retirement is recorded as +1971-07-15T00:00:00Z^[20].
• Lockheed D-21's significant event is recorded as development^[21].
• Lockheed D-21's significant event is recorded as construction contract^[22].
• Lockheed D-21's significant event is recorded as maiden flight^[23].
• Lockheed D-21's significant event is recorded as service entry^[24].
• Lockheed D-21's significant event is recorded as project cancellation^[25].
• Lockheed D-21's military designation is recorded as D-21^[26].
• Lockheed D-21's total produced is recorded as {'amount': '+38'}^[27].

Body

Physical Characteristics

Lockheed D-21's length is recorded as {'unit': 'Q11573', 'amount': '+13.061'}^[28]. Its speed is recorded as {'unit': 'Q160669', 'amount': '+3.35'}^[29].

Designation and Status

Lockheed D-21's instance of is recorded as aircraft model^[5].

Why It Matters

Lockheed D-21 ranks in the top 4% of aircraft_model entities by monthly Wikipedia readership (706 views/month).^[2] It has Wikipedia articles in 15 language editions, a strong signal of global cultural recognition.^[30] It is known by 22 alternative names across languages and contexts.^[31]