Northrop Grumman's massive Manta Ray underwater test bed completed at-sea trials this year, validating its ability to operate below the waves and with minimal human contact. In a photo first ...

While the Manta Ray's dimensions are not publicly available, Northrop Grumman classifies the drone as an "extra-large glider UUV." The Manta Ray program, launched in 2020, aims to develop payload ...

John Knudsen Northrop, 45, has designed such crack planes ... she looked like nothing more than an airborne Manta, slack-chinned, glowering through the orifices where her engines take their ...