Aircraft and Facilities

Aircraft and Facilities For expenses necessary for maintenance, operation, and modification of aircraft; maintenance, operation, and lease of air stations and facilities, testing laboratories, fleet and other aviation activities; procurement of services, supplies, special clothing, tools, materials, and equipment, including rescue boats; research and development; industrial mobilization; aerological services, supplies, and equipment for the Navy and Marine Corps; and departmental salaries; $943,000,000.