About 65 buildings and 20 other structures were built at the facility (headquarters and flight operations buildings, hangars, barracks, sewage treatment plants, warehouses, water wells, water and fuel storage tanks, gasoline station, etc.). The total cost of government improvements was $3,924,273, with the CAA expending an additional $107,235 for various improvements. Douglas built a swimming pool, paint and dope storage shed, and an air hose station for which reimbursement was not made. According to airport personnel, improvements constructed by the county (non-DOD) consisted of one building, and the addition of a small surface water pond in the vicinity.