ANNAPOLIS, Md. – April 8, 2024 – (PHOTO RELEASE) Northrop Grumman Corporation (NYSE: NOC) completed assembly of a full-size uncrewed underwater vehicle (UUV) prototype known as Manta Ray. A new class of UUV, it is an extra-large glider that will operate Read this story at Northrop Grumman Newsroom , The Cerbat Gem