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The 11 Largest Military Planes Ever

Ever since the turn of the 20th century, the human race has continually pushed the boundary of flight. While flight had been part of our history before them, the Wright brothers took the airplane to next level, powering it with engines and providing controls which made sustained flight possible. From there, we developed new technologies and designs which meant aircraft got faster, larger and more sophisticated.

As a result of the Second World War, aircraft development stepped into high gear as opposing militaries worked to build planes which were faster, had longer range or could carry more weapons than their enemies. Airframe and engine development progressed so quickly during the war that the jet age began, ushering in a new era of massive aircraft development which continues to this day.

These are the 11 largest military planes ever!

11. Hughes H-4 Hercules

Despite the fact this aircraft was built almost entirely of birch, Howard Hughes’ monstrous H-4 is better known by the nickname ‘The Spruce Goose.’ The plane started development in 1942 as a way to transport goods and men across the Atlantic to Great Britain – thereby avoiding Hitler’s deadly U-boat packs. With aluminum deemed a vital war material, the H-4 was designed to use a considerable amount of wood in its construction. It was powered by eight engines and was reportedly designed to carry nearly 75 tons of cargo, 750 soldiers or two Sherman tanks.

10. Me-323

During the Second World War, Nazi Germany pushed the limit when it came to developing many types of weapons; along with jet development, Nazi Germany also led the way in developing very large aircraft. One of these massive planes was the Me-323 transport. Nicknamed the ‘Giant,’ the Me-323 was created from a glider in use with the German military. By putting six engines on the glider, the largest land based transport of that time was created.

9. Boeing B-29 Superfortress

Introduced in 1944, the B-29 Superfortress was, for its time, one of the largest and most advanced bombers in the world. In terms of size, the B-29 weighed 37 tons, was almost 100 feet long and had a 141 foot wingspan. Used in the Pacific during the bombing campaign against mainland Japan, the B-29 is best remembered as the aircraft which dropped the two atomic bombs on the cities of Hiroshima and Nagasaki.

8. Blohm & Voss BV 238

The period around the Second World War saw every major military power developing a fleet of flying boats to be used for reconnaissance and support. First flown in 1944, this German plane was the heaviest aircraft ever flown up to that point in history as well as the largest Axis aircraft of the Second World War. Three BV 238 aircraft were built or under construction by the time the war ended. The sole completed plane underwent various flight tests before being destroyed late in the war while docked at a pier.

7. Martin JRM Mars

The American Martin JRM Mars holds the distinction as the largest flying boat to ever enter production. In the Second World War, the US Navy put in an order for the massive aircraft which would be used for patrol and transport duties in the Pacific theatre. Powered by four engines, the Mars has a 200 foot wingspan, and is over 38 feet tall and 117 feet long. This allows it to carry over 130 passengers, 16 tons of cargo or several light vehicles.

6. Convair B-36

The largest mass-produced piston engine aircraft ever made, the B-36 Peacemaker arrived on the scene when jet aircraft were becoming the norm, making it nearly obsolete from the start. Designed during World War Two, the Peacemaker was initially conceived as a bomber which could strike Nazi Germany, and later Japan, from the United States. The end of the war saw the USSR become the primary enemy of the US and the B-36 was the only aircraft in service which could carry nuclear weapons to the USSR.

5. Convair XC-99

Long before the double-decker A-380 we know today, there was the XC-99 military transport. The XC-99 was developed from the B-36 Peacemaker bomber and although only one was ever built it was a pretty impressive aircraft. The XC-99 had the same wings and engines as its bomber version, but sported a massive double-decker cargo bay. It was also 182 feet long, 20 feet more than the bomber version which makes this the largest piston-engine plane ever to enter service. .

4. Antonov An-124

For those wondering why the C-5 Galaxy isn’t on this list, look no further than this beast. Title of the ‘World’s heaviest production military cargo plane’ belongs to the Russian built An-124. Until the 1980s, the Soviet Union lacked any heavy long-range strategic transports. This changed in the mid-1980s with the arrival of the An-124. Powered by four massive turbofan engines, this plane is 68 feet tall, has a 240 foot wingspan and is 226 feet long. The An-124 can carry up to 150 tons for over 3000 km.

3. Boeing B-52

The last B-52 rolled off the assembly lines in 1962. Despite this, and the fact that current B-52 crew-members weren’t even born when their planes were built, the Stratofortress continues to serve the United States military more than 50 years on. While it is around three tons lighter than the US B-1 Lancer, the B-52’s 159 foot length and 185 foot wingspan make it dimensionally the largest bomber in US service.

2. Tupolev Tu-160

Entering service in the late-1980s, the Tu-160 ‘Blackjack’ shared many features of the B-1 ‘Lancer’ but it was much bigger. The Russian bomber has a 189 foot wingspan when the wings are not swept back and is 177 feet long. Currently, the Blackjack is the world’s largest combat aircraft. Cargo planes aside, the Tu-160 also sports the heaviest take-off weight of any military plane This beast can fly at twice the speed of sound and carry up to 44 tons of bombs and cruise missiles.

1. Antonov An-225

At 275 feet long and with a maximum takeoff weight of 640 tons, the An-225 ‘Dream’ is the longest and heaviest plane ever built. Its 290 foot wingspan also means that it has the largest wingspan of any current operational airplane. Its 142 foot long cargo hold is longer than the distance covered by the first Wright Flyer. With no space shuttle to carry, the ‘Dream’ now finds itself used as a strategic military transport capable of carrying around 275 tons. Its capabilities were well demonstrated in 2001 when the plane hauled a cargo of four main battle tanks weighing nearly 280 tons.

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