Related Clues:

• Most eligible, once
• First-rate
• Like some eligibles, once
• Of service
• Working
• ___-Day (vitamin brand)
• Liable to be called
• Handy
• In working order
• Perfectly healthy, to the Army
• Ready to serve
• How draft dodgers didn't want to be classified
• Prime draft classification
• Most eligible
• Most draftable