Air Force Research Lab personnel at Edwards AFB, Calif., recently provided oversight on the third validation test-firing of Aerojet’s Block B solid rocket booster. The test lasted only 90 seconds, but it was the third success in a row, confirming the modified booster design, said Aerojet President Scott Neish. Lockheed Martin uses the Aerojet Block B on the Atlas V expendable launch vehicle.
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.