The requirement is for a contractor to provide liquid medical oxygen delivery and refill service, including rental of a minimum 900-gallon liquid oxygen storage tank with an 8-cylinder manifold system, on an as-needed basis. Performance will take place at the 55th Medical Group, with a contract term consisting of one 12-month base period, four 12-month option periods, and one 6-month extension. No budget amount is specified in the description. Interested parties should email a statement of interest and a capabilities statement; past performance information is welcome but not required.