The following is a statement from NASA Administrator Charles Bolden regarding the ownership of early space exploration mementos and artifacts.

Agency Will Work Cooperatively to Resolve Artifact Ownership Issues WASHINGTON, Jan.

Apollo 13 commander James Lovell is trying to sell a 70-page checklist from the flight that includes his handwritten calculations that played a part in bringing the spacecraft back home safely, but NASA is saying not so fast.

During the ill-fated Apollo 13 flight to the moon, commander James Lovell jotted down handwritten calculations in hopes of guiding his crew and craft safely home.

Astronauts John Glenn, Neil Armstrong, Buzz Aldrin and Michael Collins were awarded with congressional gold medals on Tuesday.