Possible Clues:

• Veteran squaddie not taking sides
• There's no longer a case for fighting fellow pensioner?
• Pensioner, over hill, finally has to stop working
• 'Some Enchanted Evening,' e.g.
• Black-and-white film, e.g
• It might be golden
• "Duke of Earl," for one
• Veteran warrior showing guts
• Veteran man fighting endlessly
• 'Shine On, Harvest Moon,' e.g