You’d think anything designed in the mid-20th century would be museum-bound by now. Not these. They’ve survived upgrades and even better alternatives, yet they still show up for duty. Call it persistence or just great engineering, but they’re not going anywhere just yet. Let’s take a look at 10 military legends that refuse to retire.

B-52 Stratofortress 

With the first one flying in 1952 and still going strong, the B-52 Stratofortress is proof that smart engineering stands the test of time. Known affectionately as the “BUFF,” it’s flown countless missions across decades—Vietnam, Iraq, Afghanistan—and can carry unmatched payloads. Even now, it’s being upgraded to serve well into the 2050s.

T-55 Tank

The T-55 tank was introduced in the 1950s and remains in use today across Africa and the Middle East. It’s the most-produced tank in military history. Its simple, durable design gave rise to numerous variants and made it ideal for militias and low-budget forces needing dependable ground firepower.

C-130 Hercules

Over 60 countries still fly the C-130 Hercules, and for good reason. This aircraft has been around since 1957, yet it continues to prove itself. From hauling supplies to rescuing the wounded or chasing storms, it’s done it all. Oh, and one even landed on an aircraft carrier without needing a hook. Seriously impressive.

M113 Armored Personnel Carrier

You’ve probably seen this one in movies; it’s that boxy troop carrier rolling through dusty terrain. That’s the M113, known as the “battlefield taxi.” Introduced in 1960, over 80,000 have been built. Currently active in hotspots today, it’s used by more than 50 countries, including the U.S. Army National Guard.

BTR-60 Armored Vehicle

Need a cost-effective troop transport that handles mud, water, and rough terrain? The BTR-60 remains in use for exactly that reason. Twin engines give it reliable off-road capability, while its amphibious design allows for river crossings. Rather than invest in replacements, many armies simply upgrade existing units, and they still get the job done.

M14 Rifle 8

The M14 isn’t just old; it’s got fans in uniform to this day. Navy and Coast Guard units continue to issue it for specific roles. Marksmen love its long-range accuracy, and snipers appreciate the stopping power. It was the first U.S. rifle to use 7.62mm NATO ammo. Decades later, it’s consistently hitting targets where it counts.

F-5 Tiger II

Brazil and Switzerland still fly the F-5 Tiger II, and for good reason. Light, fast, and low-maintenance, the aircraft is perfect for training exercises, especially in aggressor roles. This jet may not have bells and whistles, but it gets the job done—and that’s what matters.

U-2 Spy Plane

Looking for consistent aerial surveillance at extreme altitudes? The U-2 delivers. It flies above 70,000 feet, avoiding most missile threats. Pilots suit up like astronauts, and landings are guided by chase cars. Despite its age, it’s still trusted by the U.S. for high-stakes recon because it works plain and simple.

Huey UH-1 Helicopter

The Huey became famous in Vietnam, and it’s still flying strong. That distinct “whomp-whomp” rotor beat echoes in dozens of countries. Trusted for troop transport and firefighting alike, this helicopter didn’t just survive history—it became part of it. In Colombia, Hueys are even modified with rocket pods for jungle combat missions.

Leopard 1 Tank

Fast over flashy, such was the philosophy behind the Leopard 1. Germany’s first post-WWII tank chose speed over thick armor and remains in service. Countries like Brazil and Chile keep it active, including operational reserve roles. While no longer leading the charge, this tank has never left the battlefield behind.