Airmen who volunteer for special duties including military training instructor, military training leader and technical training instructor will soon see tour lengths cut short. The service on July 1 announced that airmen in these enlisted special duties, as well as Professional Military Education (PME) instructors at the Noncommissioned Officer Academy, will have their tour duty length reduced from four to three years as part of an effort to get airmen back to their own career fields faster. Beginning next year, any airmen who have committed to one of these special duties stateside will see a three-year assignment. For TTIs, those with prefix "T", "J", or "X" in their career code will see the change, the Air Force said. Read more on Military.com.