National Security Journal on MSN

The Mach 6 SR-72 Darkstar ‘Scramjet’ Has a Message for the U.S. Air Force

The secretive SR-72 “Darkstar” is Lockheed Martin’s ambitious project to build a Mach 6+ hypersonic ISR and strike aircraft. ...
Aviation Week

U.S. Air Force ARRW Program Stalls As Focus Shifts To Scramjets

Two AGM-183As were carried aboard a Boeing B-52 during an August 2020 captive-carry event. But the missile's unique glide vehicle still has not been tested. Credit: Matt Williams/U.S. Air Force A ...