NASA Administrator Jim Bridenstine, left, General Paul Selva, vice chairman, Joint Chiefs of Staff, center, and Dr. William Happer, deputy assistant to the president, National Security Council, listen as Vice President Mike Pence delivers opening remarks during the National Space Council meeting titled, Moon, Mars, and Worlds Beyond, Winning the Next Frontier, Tuesday, Oct. 23, 2018 at the National War College at Fort Lesley J. McNair in Washington. Chaired by the Vice President, the council's role is to advise the President regarding national space policy and strategy, and review the nation's long-range goals for space activities.Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine speaks during the National Space Council meeting titled, Moon, Mars, and Worlds Beyond, Winning the Next Frontier, Tuesday, Oct. 23, 2018 at the National War College at Fort Lesley J. McNair in Washington. Chaired by the Vice President, the council's role is to advise the President regarding national space policy and strategy, and review the nation's long-range goals for space activities.Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine, third from right, applauds as Vice President Mike Pence delivers opening remarks during the National Space Council meeting titled, Moon, Mars, and Worlds Beyond, Winning the Next Frontier, Tuesday, Oct. 23, 2018 at the National War College at Fort Lesley J. McNair in Washington. Chaired by the Vice President, the council's role is to advise the President regarding national space policy and strategy, and review the nation's long-range goals for space activities.Photo Credit: (NASA/Aubrey Gemignani)