|
gptkbp:instanceOf
|
gptkb:helicopter
|
|
gptkbp:countryOfOrigin
|
gptkb:United_States
|
|
gptkbp:engineType
|
ramjet
|
|
gptkbp:firstFlight
|
1964
|
|
gptkbp:height
|
2.1 m
|
|
gptkbp:introduced
|
1969
|
|
gptkbp:length
|
13.1 m
|
|
gptkbp:location
|
gptkb:National_Museum_of_the_United_States_Air_Force
gptkb:Pima_Air_&_Space_Museum
gptkb:Museum_of_Flight
gptkb:Evergreen_Aviation_&_Space_Museum
|
|
gptkbp:manufacturer
|
gptkb:Lockheed_Corporation
|
|
gptkbp:maximumSpeed
|
Mach 3.3+
|
|
gptkbp:mission
|
high-altitude reconnaissance
|
|
gptkbp:notableCrisis
|
one lost over Soviet Union
|
|
gptkbp:notableEvent
|
several missions over China
|
|
gptkbp:numberBuilt
|
38
|
|
gptkbp:payload
|
photographic reconnaissance equipment
|
|
gptkbp:platform
|
gptkb:M-21_carrier_aircraft
B-52 Stratofortress
|
|
gptkbp:primaryUser
|
gptkb:Central_Intelligence_Agency
gptkb:United_States_Air_Force
|
|
gptkbp:program
|
gptkb:Tagboard
|
|
gptkbp:range
|
5,600 km
|
|
gptkbp:retired
|
1971
|
|
gptkbp:role
|
gptkb:reconnaissance_drone
|
|
gptkbp:status
|
retired
|
|
gptkbp:wingspan
|
5.8 m
|
|
gptkbp:bfsParent
|
gptkb:Lockheed_Skunk_Works
gptkb:Ramjet
|
|
gptkbp:bfsLayer
|
6
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
D-21 drone
|