; development, preservation, and documentation of the National Collections; presentation of public exhibits and performances; collection, preparation, dissemination, and exchange of information and publications; conduct of education, training, and museum assistance programs; maintenance, alteration, operation, lease agreements of no more than 30 years, and protection of buildings, facilities, and approaches; not to exceed $100,000 for services as authorized by 5 U.S.C. 3109 ; and purchase, rental, repair, and cleaning of uniforms for employees, $737,944,000, to remain available until September 30, 2020, except as otherwise provided herein; of which not to exceed $6,908,000 for the instrumentation program, collections acquisition, exhibition reinstallation, the National Museum of African American History and Culture, and the repatriation of skeletal remains program shall remain available until expended