M151 ¼-ton 4×4 utility truck

The M151 ¼-ton 4×4 utility truck, also known as the "Mutt," is a rugged and versatile military vehicle that was introduced in 1959 and served as a primary mode of transportation for American soldiers during the Vietnam War. It was designed to replace the M38 and M38A1 Willys Jeeps, and was produced by Ford and later by Kaiser Jeep and AM General.

The M151 was a compact, lightweight vehicle that could easily navigate rough terrain and narrow roads. It had a 4-wheel drive system that allowed it to traverse steep hills and muddy trails, and a powerful engine that could propel it to speeds of up to 65 mph on the highway.

The M151 was also designed to be air-transportable, with a height of less than 6 feet and a weight of only 2,400 pounds. This made it easy to load onto cargo planes and transport to remote locations.

One of the unique features of the M151 was its independent suspension system, which gave it excellent off-road capability and improved ride comfort for passengers. It also had a fold-down windshield and removable doors, allowing for a more open-air driving experience.

The M151 was used for a wide range of military applications, including reconnaissance, communications, transportation, and as a weapons platform. It was equipped with a range of weapons, such as the M2 machine gun, M60 machine gun, and the M72 LAW rocket launcher.

Over the years, the M151 underwent a number of upgrades and modifications to improve its performance and durability. The most notable of these was the M151A2, which was introduced in 1970 and featured a stronger frame, improved suspension, and better electrical system.

Despite being retired from service in the late 1990s, the M151 remains a popular vehicle among collectors and off-road enthusiasts. Its simple design, rugged construction, and excellent off-road capabilities make it a versatile and reliable vehicle for a variety of applications.