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Boeing RC-135 Military
Lockheed SR-71 Blackbird Military
Quick facts
ManufacturerBoeingLockheed
TypeReconnaissance & surveillanceReconnaissance & surveillance
Origin —🇺🇸 United States
First flight19651964
StatusIn serviceRetired
Units built3232
Unit cost——
Dimensions
Length41.10 m32.74 m
Wingspan39.90 m16.94 m
Height12.80 m5.64 m
Wing area—170.0 m²
Weights & fuel
Empty weight—30,600 kg
Max. take-off weight—78,000 kg
Performance
Max. speed—3,540 km/h
Max. Mach—Mach 3.30
Range6,500 km5,400 km
Service ceiling—25,900 m
Rate of climb—59.4 m/s
Crew & capacity
Crew—2
Powerplant
Engines—2
Engine type——
Engine model—Pratt & Whitney J58
Thrust (each)—111.2 kN
Thrust with afterburner (each)—151.0 kN

At a glance

Range

Boeing RC-135
6,500 km
Lockheed SR-71 Blackbird
5,400 km

Wingspan

Boeing RC-135
40 m
Lockheed SR-71 Blackbird
17 m

Length

Boeing RC-135
41 m
Lockheed SR-71 Blackbird
33 m

Units built

Boeing RC-135
32
Lockheed SR-71 Blackbird
32

Figures are compiled from public sources and may be approximate; they can vary by variant and configuration.