SPACEPhotos: Vice President Pence celebrates Apollo 11 50th anniversaryFlorida TodayBuzz Aldrin gives a thumps up to Vice President Mike Pence on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYVice President Mike Pence, astronaut Buzz Aldrin and Rick Armstrong, son of astronaut Neil Armstrong acknowledge the crowd's standing ovation on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYVice President Mike Pence addresses the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYVice President Mike Pence, astronaut Buzz Aldrin and Rick Armstrong, son of astronaut Neil Armstrong acknowledge the crowd's standing ovation on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYVice President Mike Pence addresses the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYAn Orion capsule sits in the high bay at the Operatons and Checkout Building on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019.Craig Bailey/FLORIDA TODAYApollo 11 astronaut Buzz Aldrin waves as he is introduced to the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, at the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYVice President Mike Pence shakes hands after addressing the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYVice President Mike Pence addresses the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYVice President Mike Pence shakes hands after addressing the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAY(From left) NASA administrator Jim Bridenstine, Vice President Mike Pence and Rick Armstrong, son of astronaut Neil Armstrong (far right), congratulate Apollo 11 astronaut Buzz Aldrin on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYApollo 11 astronaut Buzz Aldrin gives a thumbs up during Vice President Mike Pence address on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYVice President Mike Pence shakes hands with the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYVice President Mike Pence addresses the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYApollo 17 moonwalker Harrison Schmitt was one of the guests today on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYVice President Mike Pence addresses the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYNASA Administrator Jim Bridenstine applauds as Apollo 11 astronaut Buzz Aldrin is introduced on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYApollo 11 astronaut Buzz Aldrin clasps hands with Rick Armstrong, son of astronaut Neil Armstrong, on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYVice President Mike Pence addresses the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYNASA Administrator Jim Bridenstine gestures toward Apollo 11 astronaut Buzz Aldrin on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYLockheed Martin CEO Marillyn Hewson addresses the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space Center.Craig Bailey/FLORIDA TODAYKennedy Space Center Director Robert Cabana addresses the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAYStanding next to the Orion capsule, Vice President Mike Pence addresses the crowd on the 50th anniversary of the Apollo 11 moon landing Saturday, July 20, 2019, in the Neil Armstrong Operations and Checkout Building at Kennedy Space CenterCraig Bailey/FLORIDA TODAY