
Northrop Grumman [NOC] said on Thursday that it received, as expected, a U.S. Air Force contract in the fourth quarter last year for the second low-rate initial production (LRIP) lot of the company's B-21 Raider stealth bomber. While Lockheed Martin [LMT] has relied on the F-35 fighter for 25 percent to 30 percent of the company's revenue, Northrop Grumman CEO Kathy Warden told investors in a fourth quarter earnings call on Thursday that Northrop Grumman expected its B-21 and the…