Working Capital Funds in the amount of $20,100,000. 1510. Defense Health Program Funds are hereby authorized to be appropriated for the Department of Defense for fiscal year 2020 for expenses, not otherwise provided for, for the Defense Health Program in the amount of $347,746,000 for operation and maintenance. 1511. Drug Interdiction and Counter-Drug Activities, Defense-wide Funds are hereby authorized to be appropriated for the Department of Defense for fiscal year 2020 for expenses, not otherwise provided for, for Drug Interdiction and Counter-Drug Activities, Defense-wide in the amount of $163,596,000. 1512. Defense Inspector General Funds are hereby authorized to be appropriated for the Department of Defense for fiscal year 2020 for expenses, not otherwise provided for, for the Office of the Inspector General of the Department of Defense in the amount of $24,254,000. XVI Strategic programs, cyber, and intelligence matters A Space activities 1601. Demonstration of backup and complementary positioning, navigation, and timing capabilities of global positioning system Effective on June 1, 2019, section 1606 of the National Defense Authorization Act for Fiscal Year 2018 ( Public Law 115–91