Related Clues:

• Diamond group
• Tennis judges
• You might be safe with them
• Drill instructors, e.g.: Abbr.
• They outrank specialists (Abbr.)
• Some PX patrons
• Home workers
• Ref relatives
• Mil. E-4 to E-9
• Cpls. and sgts.
• Cpls., for instance
• There are six in every MLB playoff game
• Base figs.
• 42 Across, et al.
• Ones near bases