Northrop Grumman receives contract from US army --
Innovative security systems provider Northrop Grumman Corp., Monday received a contract from the US army to provide Scorpion and Scorpion II unattended ground sensor or UGS systems.
National Video Northrop Grumman Corp. said on Thursday that it issued layoff notices to 180 employees at its Hagerstown, Md., maintenance and modification center.