establishment of air navigation facilities

establishment of air navigation facilities For an additional amount for the acquisition, establishment, and improvement by contract or purchase and hire of air navigation facilities, including the initial acquisition of necessary sites by lease or grant; the construction and furnishing of quarters and related accommodations for officers and employees of the Civil Aeronautics Administration and the Weather Bureau stationed at remote localities not on foreign soil where such accommodations are not available; purchase of not to exceed one aircraft; the initial flight checking of air navigation facilities and the transportation by air to and from and within the Territories of the United States of materials and equipment secured under this appropriation; $158,500,000, to remain available until expended.