US Navy awards Ursa Major $137M for 3D-printed rocket motors

The US Navy has awarded Ursa Major two contracts worth $137 million to develop solid rocket motors: $91 million for the CAAM air-launched missile and $46 million for the medium-range Naval Modular Missile. The motors rely heavily on additive manufacturing.

• $91M contract covers a 178 mm motor for the air-launched CAAM missile
• $46M contract covers a 254 mm motor for the ship-launched medium-range NMM
• NMM is designed to fit four missiles in a single launch cell
• Ursa Major uses Highly Loaded Grain technology and Lynx 3D-printing process