; hire of aircraft; rental of buildings in the District of Columbia; fencing, lighting, guard booths, and other facilities on private or other property not in Government ownership or control, as may be necessary to perform protective functions; conduct of and participation in firearms matches; presentation of awards; conduct of behavioral research in support of protective intelligence and operations; payment in advance for commercial accommodations as may be necessary to perform protective functions; and payment, without regard to section 5702 of title 5, United States Code, of subsistence expenses of employees who are on protective missions, whether at or away from their duty stations; $1,893,215,000; of which $33,692,000 shall remain available until September 30, 2019, of which $6,000,000 shall be for a grant for activities related to investigations of missing and exploited children