Army Contracting Command – Rock Island has issued a sources-sought notice for market research only, not a solicitation or commitment to award. It seeks capability information from interested sources for Global Combat Support System–Army Hosting and Managed Support Services. The anticipated scope includes uninterrupted operation and sustainment of an existing physical on-premises data center, augmentation of an AWS-led migration of approved workloads to AWS GovCloud, and managed services for individually accepted cloud workloads. The government anticipates one 12-month base period plus four 12-month option periods, with performance beginning on or about 15 January 2027.