VNAF Postal History - 3rd Air Division Cover from 3rd Air Division to VNAF Air Training Center in Nha Trang Cancel: October 2, 1973 (military postal service) Rate: Military unit-to-unit free rate; no postage assessed (Quan Thu = Military Correspondence) Address:    Pham Quang Tin    Khoa 20B/73 Phi Co Phan Luc (Jet Plane Class 20B of 1973)    Doan BS Va HSQ Chuyen Muon (Non-Commission Officer Specialist)    KBC 4721 (Air Training Center in Nha Trang) Return Address:    Tu Ba Hung    TMP / NH / HL / SD III (Su Doan III - 3rd Air Division)    KBC 3004 I am told the phrase "Chuyen Tuyen" written below the address means that as the letter is being sent from point A to point C, it will be held at point B to await another means of transport before continuing on to point C for delivery. < Back