BAE Systems Technology Solutions and Services Inc., Rockville, Maryland, is awarded an $84,114,201 cost-plus-fixed-fee modification (P00027) to a previously awarded indefinite-delivery/indefinite-quantity contract (N0042121D0018). This modification adds scope to allow for exterior communications (EXCOMM) related top secret/sensitive compartment information requirements to be completed in support of engineering and equipment installation services from concept through deployment of Command, Control, Communications, Computers, Intelligence (C4I) systems including legacy, current, and next generation shipboard interior and EXCOMM; shipboard radios; and transportable, airborne, and fixed shore termination communications systems, subsystems, and components supporting the Naval Air Warfare Center Aircraft Division (NAWCAD) Webster Outlying Field Integrated Command, Control and Intel Division. Work will be performed in Washington D.C. (50%); Thurmont, Maryland (15%); St. Inigoes, Maryland (13%); Fayetteville, North Carolina (10%); Bluemont, Virginia (8%); Mechanicsburg, Pennsylvania (2%); and Panzer, Germany (2%), and is expected to be completed in May 2026. No funds will be obligated at the time of award; funds will be obligated on individual orders as they are issued. NAWCAD, Patuxent River, Maryland, is the contracting activity.