During a Marine Corps Intelligence Activity exercise May 5, the Multi-Utility Tactical Transport, or MUTT, is put through its paces at the Town of Quantico’s Riverside Park and in the Potomac River, Marine Corps Base Quantico, Virginia. The unmanned vehicle can carry up to 600 pounds; roll over boulders, sand and debris; and even swim. - During a Marine Corps Intelligence Activity exercise May 5, the Multi-Utility Tactical Transport, or MUTT, is put through its paces at the Town of Quantico’s Riverside Park and in the Potomac River, Marine Corps Base Quantico, Virginia. The unmanned vehicle can carry up to 600 pounds; roll over boulders, sand and debris; and even swim.