This is a source sought synopsis for market research to identify vendors capable of providing expeditionary support services for approximately 450 personnel on Guam. Required items include a containment mat with pressure washer and generator for 3 days, eight 6-cubic-meter dumpsters for 30 days, bulk water daily for showering and dishwashing, 40 portable toilets and 25 hand washing stations for 30 days, and shower trailers for 5 days. The period of performance is approximately September 6–26, 2026. Interested vendors may respond even if they can only provide partial support, and must include capability statements, business size status, and any applicable GSA/FSS contract information. No budget amount is specified in the description.