The 142nd Fighter Wing

Fred was a Technical Sergeant in the 142nd Fighter Wing of the Oregon Air National Guard, assigned to the 142nd Aircraft Maintenance Squadron.

The Air Force Enlisted Rank Force Structure web page at About.Com describes the rank this way:

TSgts hold a 7-skill level and are qualified to perform highly complex technical duties in addition to providing supervision. They are responsible for the career development of all enlisted personnel under their supervision. They must obtain maximum performance from each subordinate and ensure the product or service is of the quality necessary for total mission effectiveness. TSgts will continuously strive to broaden and perfect their professional expertise and supervisory techniques. The official term of address is technical sergeant or sergeant. The average Air Force wide active duty time for promotion to the rank of Technical Sergeant is 14 years.