ARLINGTON, Va. — Northrop Grumman expects the U.S. Navy to issue a Request for Proposals in August or September for the Very Light-Weight Torpedo (VWLT) Program, company officials said.    The Navy’s VLWT program RFP was delayed from an expected January issuance, … Continue reading Northrop Grumman Preparing Response to RFP for Navy’s Very Light-Weight Torpedo Program