Related Clues:

• Steak sauce choice
• ". . . in ___-horse open sleigh"
• Good to go, to the SSS
• Conscription category
• Optimally rated
• Most eligible for the draft
• Top-level
• Military service designation
• -- Day vitamins
• Untoppable rating
• "...___ penny, two ..."
• Ready to serve, perhaps
• Eligible to be drafted
• "... in ___-horse open sleigh"
• Readily draftable