1. (noun) a noncommissioned officer who instructs recruits in military marching and discipline

• drill instructor

1. (noun) a noncommissioned officer who instructs recruits in military marching and discipline

• armed forces
• armed services
• military
• military machine
• war machine

1. (noun) a noncommissioned officer who instructs recruits in military marching and discipline

• enlisted officer
• noncom
• noncommissioned officer