UCLASS kicks off

An X-47B receives fuels from a K-707 Omega tanker – the first ever autonomous aerial refuelling in April 2015. Photo: courtesy of US Navy.



  • unmanned carrier-launched airborne surveillance strike
  • debated unmanned carrier-launched airborne surveillance strike
  • Sea Avenger
  • Phantom Ray
  • Phantom Ray
  • Sea Ghost
  • General Atomic’s Avenger