Progress in that direction occurred in 1923 with the erection of a Mooring Mast. It has a tower in its roof intended to be a zeppelin mooring mast. The foundation of the mooring mast used by the airship can still be found. The mooring mast nonetheless was the first built for docking airships. Testing of a new mooring mast at Dearborn, Michigan, was included in the schedule. On this land the Navy erected a dirigible mooring mast. In 1932 the Navy installed a mooring mast for helium dirigibles on the base.