Vice President Mike Pence, center, and NASA astronaut Reid Wiseman, left, and NASA astronaut Pat Forrester, right, walk out of the historic crew doors at Kennedy Space Center's (KSC) Operations and Checkout Building on Thursday, July 6, 2017, in Cape Canaveral, Florida. These are the same doors that Apollo and space shuttle astronauts walked through on their way to the launch pad. Photo Credit: (NASA/Aubrey Gemignani)