; advanced research projects as may be designated and determined by the Secretary of Defense, pursuant to law; maintenance, rehabilitation, lease, and operation of facilities and equipment, $36,782,566,000 (reduced by $2,500,000) (increased by $6,000,000) (increased by $10,000,000) (increased by $16,500,000) (increased by $10,000,000) (increased by $100,000,000) (reduced by $6,500,000) (reduced by $5,000,000) (increased by $5,000,000) (reduced by $1,000,000) (increased by $1,000,000) (reduced by $20,000,000) (increased by $20,000,000) (reduced by $8,000,000) (increased by $8,000,000) (reduced by $10,000,000) (increased by $10,000,000) (increased by $5,000,000) (reduced by $5,000,000) (reduced by $6,500,000) (increased by $6,500,000) (reduced by $5,000,000) (increased by $5,000,000) (increased by $10,000,000) (reduced by $10,000,000) (reduced by $5,000,000) (increased by $5,000,000), to remain available for obligation until September 30, 2025. Operational test and evaluation, defense For expenses, not otherwise provided for, necessary for the independent activities of the Director, Operational Test and Evaluation, in the direction and supervision of operational test and evaluation, including initial operational test and evaluation which is conducted prior to, and in support of, production decisions; joint operational testing and evaluation