This is a Sources Sought announcement for 50,000-gallon collapsible fuel bladders with 6-inch adapter assemblies. Interested contractors must submit capability packages by 10:00 AM CDT on Thursday, 7 May 2026. The submission must include company information, business size classification, and a capability summary of up to three pages. No budget information or performance location is specified in the description. Respondents must be registered in the System for Award Management (SAM).