Sources Sought – GCSS-Army Hosting and Managed Support Services (HMSS)

THIS IS A SOURCES SOUGHT NOTICE FOR MARKET RESEARCH PURPOSES ONLY. THIS IS NOT A SOLICITATION, REQUEST FOR PROPOSAL, REQUEST FOR QUOTATION, OR COMMITMENT BY THE GOVERNMENT TO AWARD A CONTRACT. Army Contracting Command – Rock Island is seeking capability information from interested sources for Global Combat Support System–Army Hosting and Managed Support Services. The anticipated requirement includes: (1) uninterrupted operation and sustainment of an existing physical on-premises data center; (2) augmentation of AWS-led migration of approved workloads to AWS GovCloud; and (3) managed services for individually accepted cloud workloads. The Government anticipates one 12-month base period and four 12-month option periods, with performance beginning on or about 15 January 2027.