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Support aircraftIn service
Strategic airlifter
Lockheed C-5 Galaxy is a strategic airlifter originating in United States. The cited manufacturer or builder is Lockheed Corporation Lockheed Martin.
United StatesLockheed C-5 Galaxy
U.S. Air Force photo by Brett Snow · Public domain · Resized · Public domain · Source ↗ · ModifiedStrategic airlifter
United States
Lockheed Corporation Lockheed Martin
In service
United States Air Force
131 C-5A: 81 C-5B: 50
C-5A: 1968–1973 C-5B: 1985–1989
June 1970 ( 1970-06 )
30 June 1968 ( 1968-06-30 )
7 typical (aircraft commander, first pilot, 2 flight engineers, 3 loadmasters) 4 minimum (pilot, copilot, two flight engineers) 8 when augmented (aircraft commander, 2 first pilots, 2 flight engineers, 3 loadmasters)
36 master pallets 463L or 281,000 lb (127,459 kg)
247 ft 1 in (75.31 m)
222 ft 9 in (67.89 m)
65 ft 1 in (19.84 m)
6,200 sq ft (580 m 2 )
380,000 lb (172,365 kg)
840,000 lb (381,018 kg)
341,446 lb (154,880 kg); 51,150 US gal (42,590 imp gal; 193,600 L)
4 × General Electric F138-100 turbofan engines, 51,000 lbf (230 kN) thrust each
462 kn (532 mph, 856 km/h)
450 kn (520 mph, 830 km/h) / Mach 0.77
4,800 nmi (5,500 mi, 8,900 km) with a 120,000 lb (54,431 kg) payload, 2,300 nmi (4,260 km; 2,647 mi) at maximum cargo capacity
7,000 nmi (8,100 mi, 13,000 km) with no cargo
41,000 ft (12,000 m) at 750,000 lb (340,194 kg)
2,100 ft/min (11 m/s)
root: NACA 0012.41 mod ; tip: NACA 0011 mod
0.26
5,400 ft (1,600 m)
3,600 ft (1,100 m)
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
True scale
Sourced dimensions beside a 1.75 m human reference.
Points represent sourced observations, including revisions. Revisions on the same effective date are not separate inventory events. Ranges appear in the table and are not plotted as exact points.
| Observation / report period | Value | Source | Claim state |
|---|---|---|---|
| 28 Sept 2026 | 75.31 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 75.31 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 75.31 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 75.31 m | Wikipedia contributors | superseded |
| 28 Sept 2026 | 75.31 m | Wikipedia contributors | approved |
Lockheed C-5 Galaxy equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
United StatesUS Air Force C-5M Super Galaxy Total Aircraft Inventory holdings as of 30 September 2025, including Active Force, Air National Guard and Air Force Reserve Command. This covers the named source row only, not all variants in the family or all United States services. Inventory includes aircraft not immediately deployable; it is not a combat-readiness count.