Royal Navy UAV Group - The Fleet Air Arm has its own Unmanned Aerial Vehicle unit in the form of 792 Squadron at Culdrose which was reformed in November 2001 from the former Fleet Target Group at Portland (which had closed in 1998).    792 Squadron currently operates the Italian MIRACH 100/5 unmanned subsonic drones which have been used in the past to test the SEA DART and SIDEWINDER missiles and now moves on to the service SEA VIPER.    The MIRACH drone is a 13ft remote controlled jet which flies at speeds of up to  600mph from altitudes as low as 10ft or as high as 40,000ft for up to 90 minutes.