Lockheed Martin Stalker XVE drone claims world endurance record
Lockheed Martin's Skunk Works advanced development programs division has set a new world flight endurance record for a Group 2 (5 to <25 kg (11 to <55 lb)) drone after the company's Stalker VXE remained aloft for 39 hours, 17 minutes, and seven seconds.Because drones don't have pilots aboard and can carry out many of their functions autonomously, endurance is a very desirable commodity – not just in the large jet-powered units, but also in the smaller, portable craft like the Stalker XVE.Originally developed in…