Northrop Grumman studies air surveillance radar replacements for U.S. Navy aircraft carriers, amphibious ships
BALTIMORE, 9 Nov. 2013. U.S. Navy officials selected Northrop Grumman Corp. (NYSE:NOC) to conduct the $6 million, 18-month Enterprise Air Surveillance Radar (EASR) Study that explores replacement of SPS-48 and SPS-49 air surveillance radars currently on board U.S. Navy amphibious ships and aircraft carriers.