This is a Sources Sought notice for planning purposes only, not a solicitation for proposals. The U.S. Army Corps of Engineers is gathering information for a potential future firm-fixed-price contract for comprehensive operations and maintenance services at the Defense Distribution Center in San Diego, CA. The estimated budget range for the project is between $5,000,000 and $10,000,000, with a potential performance period of one base year plus four one-year options. The notice seeks capability statements from businesses, with a preference for those with local presence in Southern California and relevant past performance on military installations in California, Nevada, or Arizona. The type of small business set-aside for any future solicitation will be determined based on the responses to this notice.