@nextgenfightersusa: SR-72: Lockheed Martin’s Proposed Hypersonic Aircraft for the Next Era of Flight. The SR-72 is a proposed hypersonic aircraft concept associated with Lockheed Martin’s Skunk Works. Often described as a potential successor concept to the SR-71, it is linked to research into sustained hypersonic flight and future intelligence, surveillance, reconnaissance, and strike capabilities. #SR72 #LockheedMartin #HypersonicAircraft #SkunkWorks #AviationTechnology