Kremlin forces are reported to have found the downed US MQ-9 Reaper drone at a depth of up to 2,953ft in the Black Sea off the major naval port of Sevastopol, according to Russian media. A source close to the Russian defence ministry reportedly told ForPost, a publication in annexed Crimea: ‘An underwater robot has descended to the seabed and detected the MQ-9 Reaper at a depth of about 850-900... 

The $32 million MQ-9 Reaper drone downed in the Black Sea after a run-in with Russian fighter jets on Tuesday is the same type of aircraft used by the CIA to kill Al Qaeda chief Ayman al-Zawahiri in Kabul in July, 2022. Equipped for long-range surveillance missions, the unmanned spy aircraft is controlled by two pilots on the ground – sometimes as much as 5,000 miles away -can fly for 20 hours,... 

A drone developed by the US Navy has broken its own endurance record by staying in the air for just over 48 hours. The ‘Ion Tiger’ used a new cryogenic tank for the liquid hydrogen fuel feeding its fuel cells to achieve the breakthrough. Keeping a drone in the air as long as possible is a chief task for a UAV operator, especially in surveillance. One approach is to use fuel that packs...