Skyfire unveils SF2 drone for public safety and critical missions

Autistic YF-23 Guy on Instagram: "The Northrop/McDonnell Douglas YF-23 is an American single-seat, twin-engine, supersonic stealth fighter aircraft technology demonstrator designed for the United States Air Force (USAF). The design was a finalist in the USAF’s Advanced Tactical Fighter (ATF) competition, battling the Lockheed YF-22 for a production contract. Two YF-23 prototypes were built. #f23 #yf23blackwidow #f22 #f22raptor #tomcattuesday #widowwednesday #military #aviation #militaryaviation

SDF-13

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FPV Racing with Mini Quadcopters

What FPV Racing Looks Like from the Quadcopter’s POV