Possible Clues:

• Focus on procedure regularly aiming for improved accuracy
• Great tactic rep deployed in exercise to improve accuracy
• No aimless activity for selected doctors?
• Get better shots with this model? Great plastic surgery
• Surgery on butt when shots may go astray?
• Exercise using arms in which one repeatedly aims to improve
• Worked out great tactic per training session for the Gunners
• Weapons training that makes sailor understand routine, when in charge
• Drill that may help one trying to get gold
• Learner's shooting session