A new world’s speed record on land is set as a Missile Defense Agency payload reaches 6,416 mph at the high speed test track at Holloman AFB, N.M.
Air Force Gen. Alexus G. Grynkewich assumed command of U.S. European Command on July 1, taking over the key assignment as the U.S. and its allies contend with a resurgent Russia and a grinding war in Ukraine.