; program management; personnel and related costs, including uniforms or allowances therefor, as authorized by sections 5901 and 5902 of title 5, United States Code; travel expenses; purchase and hire of passenger motor vehicles; and purchase, lease, charter, maintenance, and operation of mission and administrative aircraft, $5,338,700,000, to remain available until September 30, 2020: Provided , That not less than $1,350,000,000 shall be for the Orion Multi-Purpose Crew Vehicle: Provided further , That not less than $2,150,000,000 shall be for the Space Launch System (SLS) launch vehicle, which shall have a lift capability not less than 130 metric tons and which shall have core elements and an Exploration Upper Stage developed simultaneously: Provided further , That $795,000,000 shall be for Exploration Ground Systems, including $255,000,000 for a second mobile launch platform and associated SLS activities: Provided further , That the National Aeronautics and Space Administration (NASA) shall provide to the Committees on Appropriations of the House of Representatives and the Senate, concurrent with the annual budget submission, a 5-year budget profile for an integrated system that includes the Space Launch System, the Orion Multi-Purpose Crew Vehicle, and associated ground systems that will ensure an Exploration Mission-2 crewed launch as early as possible, as well as a system-based funding profile for a sustained launch cadence beyond the initial crewed test launch: Provided further , That acquisition of Orion crew vehicles, SLS launch vehicles, Exploration Ground Systems, mobile launch platforms, and their associated components may be funded incrementally in fiscal year 2019 and thereafter: Provided further , That $1,043,700,000 shall be for exploration research and development. Space operations For necessary expenses, not otherwise provided for, in the conduct and support of space operations research and development activities, including research, development, operations, support and services