U.S. Government Money Market TrustU.S. Government Money Market TrustDmsusgovernmentmoneymarkettrustbpspapril_17258Morgan Stanley U.S. Government Money Market Trust - Classes R and SDmsusgovernmentmoneymarkettrustbsaiapril_17010MS U.S. Government Money Market Trust_485B_SAI_April 2026Class R - C000011343RClass S - C000171230SCredit and Interest Rate RiskCredit and Interest Rate RiskFixed-Income SecuritiesFixed-Income SecuritiesU.S. Government SecuritiesU.S. Government SecuritiesMarket and Geopolitical RiskMarket and Geopolitical RiskRepurchase AgreementsRepurchase AgreementsLarge Transactions RiskLarge Transactions RiskStable NAV RiskStable NAV RiskActive Management RiskActive Management Risk