Aerospace manufacturers Northrop Grumman tested its Booster Obsolescence and Life Extension (BOLE) rocket motor on Thursday, June 26. The test, conducted in Promontory, Utah, was “the first full-scale ground test of the evolved five-segment solid rocket motor of NASA’s SLS (Space Launch System) rocket” and part of the agency’s Artemis program, which aims “to return humans to the moon, with the ultimate goal of human exploration of Mars.” “The Development Motor 1(DM-1) fired Thursday, June 26, at