The United States Air Force says it has conducted a successful test of a hypersonic weapon, which flew at five times the speed of sound.The test was conducted on Saturday off the coast of Southern California when a B-52 bomber released an Air-launched Rapid Response Weapon (ARRW), the Air Force said in a statement on Monday.“Following separation from the aircraft, the ARRW’s booster ignited and burned for expected duration, achieving hypersonic speeds five times greater than the speed of sound,” it said.
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