BAE Systems Technology Solutions and Services Inc., Rockville, Maryland (N66001-19-D-3407); Perspecta Engineering Inc., Chantilly, Virginia (N66001-19-D-3415); Booz Allen Hamilton Inc., McLean, Virginia (N66001-19-D-3408); ICF Inc. LLC, Fairfax, Virginia (N66001-19-D-3409); Leidos Inc., Reston, Virginia (N66001-19-D-3410); Peraton Inc., Herndon, Virginia (N66001-19-D-3411); Parsons Government Services Inc., Pasadena, California (N66001-19-D-3412); Science Applications International Corp., Reston, Virginia (N66001-19-D-3413); and Scientific Research Corp., Atlanta, Georgia (N66001-19-D-3414), are exercising Option Period 1 with a value of $231,167,249 for a cost-plus-fixed-fee, indefinite-delivery/indefinite-quantity, multiple award contract with a maximum value of $802,045,894, for professional technical and management support services to support Naval Information Warfare Center Pacific (NIWC Pacific) in establishing and maintaining cyberspace operations and enabling product lines, programs and projects. All work is expected to be performed in San Diego, California. Work will be completed by May 6, 2024, and if all options are exercised, will continue until May 6, 2026. No funds will be obligated at the time of award. Funds will be obligated as task orders issued using research, development, test, and evaluation (Navy) funds; other procurement (Navy) funds; operation and maintenance (Navy) funds; working capital (Defense) funds; and Foreign Military Sales funding. The requirement was competitively procured through full and open competition and solicited through the Federal Business Opportunities website, with 18 offers received in response to this solicitation. NIWC Pacific, San Diego, is the contracting activity. (Awarded May 7, 2022)