GE Aerospace (NYSE:GE) is one of the must-buy US stocks to buy now. Kratos Defense and GE Aerospace announced on October 31 that they’ve completed altitude testing for the GEK800 engine, a joint project aimed at powering unmanned aerial systems and combat aircraft. The tests, which began in late September, were held at Purdue University’s Maurice J. Zucrow Laboratories and marked the first use of the newly expanded ZL9 facility. The GEK800, an 800-pound jet engine, has already undergone over 50 ground test ...