
Northrop Grumman [NOC] on Monday said it completed the assembly of the Manta Ray uncrewed underwater vehicle (UUV) prototype. Manta Ray is a new class of extra-large UUV gliders that are designed to operate for long durations, at long range, and with undersea mission payloads while not requiring on-site human logistics. In 2021, the Defense Advanced Research Projects Agency (DARPA) awarded contracts to Northrop Grumman and the Martin Defense Group to move to Phase 2 in the Manta Ray UUV…