Former Sen. Bill Nelson nominated by President Biden to serve as the next NASA Administrator. In this file photo Sen. Bill Nelson of Florida welcomes the newly arrived Orion crew capsule at a Kennedy Space Center unveiling ceremony on July 2, 2012 and proclaims Mars is NASA’s long term goal for human exploration. Credit: Ken Kremer/kenkremer.com/SpaceUpClose.comFor SpaceUpClose.com & RocketSTEM CAPE