Northrop Grumman Systems Corp., Rolling Meadows, Illinois, is being awarded $25,036,119 for cost-plus-fixed-fee task order 0512 against a previously issued basic ordering agreement (N00019-15-G-0026) for Phase II of the Defensive Electronic Countermeasures Suite Upgrade for the CH-53K.  This task order includes non-recurring engineering support to design, test and integrate the AN/AAQ-24 Large Aircraft Infrared Countermeasures Systems Processor Replacement with the Advanced Threat Warning Missile Warning Sensors, the AN/APR-39D(V)2 Radar Warning Receiver System, the AN/ALE-47(V) Countermeasures Dispensing System with the Power PC Processor Upgrade and the Avionics Management System for use on the CH-53K.  Work will be performed in Rolling Meadows, Illinois (97.5 percent); Stratford, Connecticut (1 percent); West Palm Beach, Florida (1 percent); and Cedar Rapids, Iowa (0.5 percent), and is expected to be completed in September 2021.  Fiscal 2017 research, development, test and evaluation (Navy) funds in the amount of $25,036,119, will be obligated at time of award, none of which will expire at the end of the fiscal year.  The Naval Air Systems Command, Patuxent River, Maryland, is the contracting activity.