U.S. Navy Rear Adm. James Bynum prepares to present the folded American Flag to Leslie Bean, wife of former astronaut Alan Bean, during his interment service, Thursday, Nov. 8, 2018 at Arlington National Cemetery in Virginia. Selected as an astronaut in 1963, Bean flew in space twice, becoming the fourth human to walk on the Moon on Nov. 19, 1969 and spent 59 days in space as commander of the second Skylab mission in 1973. Photo Credit: (NASA/Joel Kowsky)

U.S. Navy Rear Adm. James Bynum looks on as a U.S. Navy Honor Guard folds the American Flag during interment services for former astronaut Alan Bean, Thursday, Nov. 8, 2018 at Arlington National Cemetery in Virginia. Selected as an astronaut in 1963, Bean flew in space twice, becoming the fourth human to walk on the Moon on Nov. 19, 1969 and spent 59 days in space as commander of the second Skylab mission in 1973. Photo Credit: (NASA/Joel Kowsky)

Leslie Bean, wife of former astronaut Alan Bean, receives the folded American Flag from U.S. Navy Rear Adm. James Bynum during his interment service, Thursday, Nov. 8, 2018 at Arlington National Cemetery in Virginia. Selected as an astronaut in 1963, Bean flew in space twice, becoming the fourth human to walk on the Moon on Nov. 19, 1969 and spent 59 days in space as commander of the second Skylab mission in 1973. Photo Credit: (NASA/Joel Kowsky)