Here is some data: Alan Shepard ALMA_MATER "NWC, M.A. 1957"; Alan Shepard WAS_A_CREW_MEMBER_OF Apollo 14; Alan Shepard DATE_OF_RETIREMENT "1974-08-01"; Apollo 14 OPERATOR NASA.

Write a sentence that describes this data:
Alan Shepard was a crew member of the NASA operated Apollo 14. He graduated from NWC, MA in 1957 and retired on 1 August 1974.