The United States Marine Corps have developed an easy to build and repair 3D printed drone that could see service in the near future.
A division of the U.S. Marines is 3D printing and testing small explosive devices, which could be used on the battlefield in the near future.
The Rapid Additively Manufactured Ballistics Ordnance, or RAMBO, is a 3D printed grenade launcher developed by the U.S. military.
The US Marine Corps experiments with military vehicles that can diagnose themselves and order 3D printed replacement parts automatically.
The Navy 3D Print-a-thon held at the Pentagon saw twenty naval organizations displaying their most recent 3D printed innovations.