You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For consistency, answers should be in all lower cased letters.

Category: MILTON 
Clue: In one Milton poem this Biblical hero speaks of the strength he had "while I preserved these locks unshorn"
samson

Category: A FEW GOOD MEN 
Clue: He became the oldest man ever to fly in space when he returned there in October 1998 at the age of 77
john glenn

Category: GULF 
Clue: The Chiriqui, Mosquito & San Blas Gulfs engulf this country that's bisected by a canal

panama