Lockheed C-5 Galaxy vs Boeing B-52 Stratofortress

By: Rocco

Comparing the Lockheed Martin C5 Galaxy vs the Boeing B-52 Stratofortress? Start with the quick spec breakdown below, then dive into the story for the bigger picture.

Lockheed Martin C5 Galaxy
Military Transport Planes
Lockheed Martin C5 Galaxy
ICAO: Status: Inactive Visit aircraft page
Boeing B-52 Stratofortress
Military Aircraft
Boeing B-52 Stratofortress
ICAO: B52 Status: Active Visit aircraft page

General

Units
Lockheed Martin C5 Galaxy
Manufacturer
Lockheed Martin
ICAO code
Produced
1970–Present
Price
$167.7 million (1900)
Engine
Engine type
-
Thrust
43,000 lbf · 191 kN -68% (total)
Avionics
Honeywell Defense Avionics Systems
Wing tips
No winglets
Seats
8
Boeing B-52 Stratofortress
Manufacturer
Boeing
ICAO code
B52
Produced
1952–1962
Price
$84 million (2012)
Engine
8 × Pratt & Whitney TF33-P-3/103
Engine type
Turbofan
Thrust
8 × 17,000 lbf · 76 kN +216% (total)
Avionics
AN/ASQ, AN/ASQ-151 EVS, IBM AP-101
Wing tips
No winglets
Seats
5

Dimensions

Lockheed Martin C5 Galaxy
Cabin width
19 ft 8 in 6.00 m 19 ft 8 in 6.00 m
Cabin height
0 ft 0 in 0.00 m 0 ft 0 in 0.00 m
Cabin length
121 ft 5 in 37.00 m 121 ft 5 in 37.00 m
Exterior length
247 ft 1 in 75.30 m 247 ft 1 in 75.30 m +55%
Tail height
Fuselage diameter
0 ft 0 in 0.00 m 0 ft 0 in 0.00 m -100%
Wing span
222 ft 9 in 67.89 m 222 ft 9 in 67.89 m +20%
Baggage volume
0 ft 0 in 0.00 m 0 ft 0 in 0.00 m
Boeing B-52 Stratofortress
Cabin width
Cabin height
Cabin length
Exterior length
159 ft 1 in 48.50 m 159 ft 1 in 48.50 m -36%
Tail height
40 ft 8 in 12.40 m 40 ft 8 in 12.40 m
Fuselage diameter
9 ft 2 in 2.80 m 9 ft 2 in 2.80 m
Wing span
185 ft 0 in 56.40 m 185 ft 0 in 56.40 m -17%
Baggage volume

Weights

Lockheed Martin C5 Galaxy
Max payload
270,000 lb 122,500 kg 270,000 lb 122,500 kg +289%
Fuel capacity
51,150 gal 193,624 L 51,150 gal 193,624 L +7%
Max takeoff weight
4,083,000 lb 1,852,000 kg 4,083,000 lb 1,852,000 kg +742%
Boeing B-52 Stratofortress
Max payload
69,500 lb 31,500 kg 69,500 lb 31,500 kg -74%
Fuel capacity
47,975 gal 181,605 L 47,975 gal 181,605 L -6%
Max takeoff weight
485,000 lb 220,000 kg 485,000 lb 220,000 kg -88%

Performance

Lockheed Martin C5 Galaxy
Max cruise speed
503 kt · 579 mph 932 km/h 503 kt 579 mph 932 km/h -10%
Rate of climb
12 ft/min 0 m/s 12 ft/min 0 m/s -100%
Range
2,400 nm · 2,760 mi 4,440 km 2,400 nm 2,760 mi 4,440 km -69%
Service ceiling
34,000 ft 10,400 m 34,000 ft 10,400 m -32%
Takeoff distance
8,400 ft 2,560 m 8,400 ft 2,560 m -15%
Landing distance
3,600 ft 1,100 m 3,600 ft 1,100 m -63%
Boeing B-52 Stratofortress
Max cruise speed
560 kt · 644 mph 1,037 km/h 560 kt 644 mph 1,037 km/h +11%
Rate of climb
6,270 ft/min 32 m/s 6,270 ft/min 32 m/s +52150%
Range
7,652 nm · 8,810 mi 14,170 km 7,652 nm 8,810 mi 14,170 km +219%
Service ceiling
50,000 ft 15,200 m 50,000 ft 15,200 m +47%
Takeoff distance
9,850 ft 3,000 m 9,850 ft 3,000 m +17%
Landing distance
9,850 ft 3,000 m 9,850 ft 3,000 m +173%

The skies are full of powerhouses, each with unique characteristics and capabilities. Among these aerial giants are two aircraft that have been around for decades: the C5 galaxy vs B52.

While both have served their purpose in military operations, what makes each one different from the others? Let’s look at how these stack up against each other.

About the Lockheed C-5 Galaxy

The Lockheed C-5 Galaxy was created and developed by Lockheed. It can carry outsized payloads over intercontinental distances and is one of the largest military aircraft.

Why was it developed and built?

It was designed and built by Lockheed to meet the requirements of the United States Air Force for a long-range, heavy cargo aircraft. The Lockheed C-5 can carry more cargo than any other aircraft worldwide and can fly over 5,500 miles without refueling.

What purpose does it serve?

The Lockheed C-5 Galaxy is primarily used to transport bulky and heavy military cargo long-distance. It can also transport troops, supplies, helicopters, and other heavier equipment, such as tanks.

About the Boeing B-52 Stratofortress

The Boeing B-52 Stratofortress is a long-range, subsonic heavy bomber designed and built by Boeing. It is one of the most iconic aircraft in history and can carry an impressive payload over intercontinental distances.

Why was it developed and built?

The Boeing B-52 Stratofortress was developed and built to meet the requirements of the United States Air Force for a long-range, heavy bomber capable of carrying nuclear weapons.

What purpose does it serve?

The Boeing B-52 Stratofortress is primarily used for strategic bombing and can carry conventional or thermonuclear weapons. 

It has also been used in various other roles, including surveillance, electronic warfare, and weather monitoring. The Boeing B-52 Stratofortress can also launch missiles and drop guided bombs.

How are the Lockheed C-5 Galaxy and Boeing B-52 Stratofortress different?

Let’s explore some differences between them, which will help us understand why they have been so successful for decades.

Size and Range

The Lockheed C-5 Galaxy is much larger than the Boeing B-52 Stratofortress. It has a wingspan of 222 feet and 247 feet compared to the Boeing B-52 Stratofortress’s 185-foot wingspan and 159-foot length.

As a result, it can carry more cargo over longer distances (up to 5,500 nautical miles). The Boeing B-52 Stratofortress, on the other hand, can carry up and travel up to 8,816 nautical miles due to its smaller size.

Cargo Capacity

The Lockheed C-5 Galaxy can carry up to 281,000 lbs, while the Boeing B-52 Stratofortress has a maximum cargo capacity of 70,000 lbs.

This gives the Lockheed C-5 an advantage when transporting large loads such as tanks and other heavy equipment that may be needed in war or disaster relief efforts.

The Boeing B-52 Stratofortress’s cargo capacity is more suited for transporting smaller items such as fuel tanks or ammunition boxes.

Weaponry

The Lockheed C-5 Galaxy is not designed for combat operations; instead, it is used for strategic airlift missions around the globe. On the other hand, the Boeing B-52 Stratofortress was explicitly designed for combat operations with its ability to launch nuclear weapons from high altitudes.

It also carries conventional munitions, such as bombs and missiles, that can be used against ground targets during wartime operations.

Speed

The Lockheed C-5 Galaxy has a top speed of 532 mph at sea level, while the Boeing B-52 Stratofortress has a top speed of 509 mph at sea level.

How are the Lockheed C-5 Galaxy and Boeing B-52 Stratofortress Similar?

The Lockheed C-5 Galaxy and Boeing B-52 Stratofortress are military aircraft that play an essential role in the United States Air Force for operations and transport missions worldwide.

  • Both can transport large amounts of cargo across long distances and can fly at high altitudes to avoid enemy detection.
  • Depending on the mission, they also operate with a crew of four or more.
  • Likewise, both aircraft have a long history of service and reliability and are equipped with the latest technology and avionics.

These two aircraft have been the backbone of the United States Air Force for many years and will continue to serve this purpose for years.

What’s better about the Lockheed C-5 Galaxy?

The Lockheed C-5 Galaxy is a large military transport aircraft that has been in service since 1970. Its size and capacity make it ideal for carrying large cargo and personnel long distances.

  • It can carry up to 281,000 lbs of cargo and range to 8,100 nautical miles.
  • Additionally, its advanced avionics and navigation equipment allows precision operations under challenging conditions.
  • Its speed also allows for quick response times when needed. These features make it an excellent choice for airlift missions of any kind.
  • The size and range make it perfect for transporting heavy equipment to areas that may be otherwise inaccessible.

Finally, its extensive service record and reliability are unmatched in the military transport aircraft industry. They have earned it a place as one of the most trusted transports in the world.

What’s better about the Boeing B-52 Stratofortress?

The Boeing B-52 Stratofortress is a long-range strategic bomber first produced in 1955. It can deliver nuclear and conventional weapons to any target in the world.

  • It has a range of 8,800 miles and can reach altitudes up to 50,000 feet.
  • The Boeing B-52 Stratofortress is also equipped with advanced avionics and navigation systems to ensure precision and accuracy when delivering its payload.
  • Its speed, range, and altitude make it an excellent strategic bomber for nuclear and conventional warfare operations.
  • It’s also extensively used in electronic warfare operations because it can fly at high altitudes and detect enemy radar.

Its impressive service record and reliability make it the backbone of the United States Air Force’s nuclear deterrent capabilities.

Conclusion

Both the Lockheed C-5 Galaxy and Boeing B-52 Stratofortress have long been staples in U.S. Military operations due to their distinct designs as well as powerful performance capabilities regardless if they are used for transport or bombing missions.

Despite being similar in size, both aircraft differ when looking at their design elements, allowing them to excel at certain tasks and making them valuable assets.