PUBLK; LAW 101-518—NOV. 5, 1990 104 STAT. 2159 ALTERATION OF BRIDGES For necessary expenses for alteration or removal of obstructive brieves, $3,747,006, to remain available until expended. RETIRED PAY For retired pay, including the payment of obligations therefor otherwise chargeable to lapsed appropriations for this purpose, and payments under the Retired Serviceman's Family Protection and Survivor Benefits Plans, and for payments far medical care of retired personnel and their dependents vu»ier the Dependents Medical Care Act (Id U.S.C. ch. 55), $437,300,000. RfissERVE TRAINING For all necessary expenses for the Coast Guard Reserve, as authorized by law; maintenance and operation of facilities; and supplies, equipment, and services; $74,306,000. RESEARCH, DEVELOPMENT, TEST, AND EVALUATION For necessary expenses, not otherwise provided for, for applied scientific research, development, test, and evaluation; maintenance, rehabilitation, lease and operation of facilities and equipment, as authorized by law, $25,000,000, to remain available until expended: Provided, That there may be credited to this appropriation funds received from State and local governments, other public authorities, private sources, and foreign countries, for expenses incurred for research, development, testing, and evaluation. BOAT SAFETY (AQUATIC RESOURCES TRUST FUND) For payment of necessary expenses incurred for recreational boating safety assistance under Public Law 92-75, as amended, $35,000,000, to be derived from the Boat Safety Account and to remain available until expended. FEDERAL AVIATION ADMINISTRATION OPERATIONS For necessary expenses of the Federal Aviation Administration, not otherwise provided for, including administrative expenses for research and development, establishment of air navigation facilities and the operation and maintenance of aircraft, and carrying out the provisions of the Airport and Airway Development Act, as amended, or other provisions of law authorizing the obligation of funds for similar programs of airport and airway development or improvement, purchase of four passenger motor vehicles for replacement only, $4,037,000,000, of which $2,002,749,000 shall be derived from the Airport and Airway Trust Fund: Provided, That there may be credited to this appropriation funds received from States, counties, municipalities, other public authorities, and private sources, for expenses incurred in the maintenance and operation of air navigation facilities and for issuance of airmen and aircraft certificates.