The following February 13, 1969, Lowell Tribune article was found on page 14, column 4:
Leaving For Viet Nam
Airman Clifford R. Clemens has spent a 30-day leave with his parents, Mr. and Mrs. R.L. Saum. He left O'Hare Field Sunday to go to McChord Air Force Base, Washington. From there he will go to Phu Cat Air Base, Vietnam.
Clifford took his training in cryogenics at Chanute Field, Ill., where he graduated highest in his class. He was 5th highest in all the Airman that ever attended this school so far.
He would like to hear from his friends. His address is: Airman Clifford R. Clemens, AF68035638, 37th Combat Support Group, APO San Francisco, Calif.