Aircraft Mechanic — CH-47 · Converted to 67U20, effective 1965
The article’s Old/New table maps 678.10 Aircraft Mechanic for CH-47 to 67U20. Change 15 directed active-duty personnel conversion during 1–25 July 1965; effectiveTo is conservatively recorded at year precision rather than assigning one uniform individual conversion date.
Sources
- U.S. Army Aviation Digest, March 1966, vol. 12, no. 3, “New Enlisted Aviation MOS” (“New Enlisted Aviation MOS,” printed p. 23; PDF p. 25)