Ellen Shields McCandless, wife of former NASA astronaut Captain Bruce McCandless II, USN (Ret.), left, pays her respects during her husband's interment service, Tuesday, Jan. 16, 2018 at the United States Naval Academy Cemetery in Annapolis, Maryland. Photo Credit: (NASA/Bill Ingalls)

Ellen Shields McCandless, wife of former NASA astronaut Captain Bruce McCandless II, USN (Ret.), left, is seen during her husband's interment service, Tuesday, Jan. 16, 2018 at the United States Naval Academy Cemetery in Annapolis, Maryland. Photo Credit: (NASA/Bill Ingalls)

The flag that draped the casket of former NASA astronaut Captain Bruce McCandless II, USN (Ret.) is presented to his wife Ellen Shields McCandless during his interment service, Tuesday, Jan. 16, 2018 at the United States Naval Academy Cemetery in Annapolis, Maryland. Photo Credit: (NASA/Bill Ingalls)