U.S.C.A. § 201 et seq.) has been fully investigated in the district court and argued before us, we will decide it for the further guidance of that court.
This Company is a private corporation organized in March, 1942, for the sole purpose of entering into contracts with the United States Maritime Commission to construct for the United States a shipyard at Jacksonville, Florida, and to build ships there, using the shipyard without rent. The construction and first shipbuilding contracts were made on March 4, 1942. Thirty "Liberty Ships" were to be completed and turned over to the Commission between Dec. 15, 1942 and Dec. 31, 1943. The shipyard, all tools and material were the property of the United States, as were the vessels *1014 at all times, from keelto rigging. The work was all on a cost-plus-variable-fee basis, the variation resting on promptness in executing the work. Most of the material was bought by the government and shipped in. Pay rolls were paid by the Company, but reimbursed weekly. Considerable oversight and direction of work and employees was exercised by government officials. The first ship contract was followed by the second on April 23, 1943, for 52 more Liberty Ships to be finished between February 10, 1944, and December 29, 1944. Lastly, on July 26, 1944, a contract was made to build twelve tankers of a different design, to be finished between March 8, 1945, and May 6, 1945. The last Liberty Ship was turned over to the Commission February 24, 1945, and the last tanker