On Jul 4, 9:38 pm, "Jack G" wrote:
Finally, an explanation the makes sense... (But if anybody has an actual,
or official reason for the difference, I would still be interested in
hearing from you.)

Jack G.
(XUSAF)

From the other Jack G. This does help clear up some of the questions
but I remember once we had all the markings memorized they would
change them.

Jack G.
US Navy
USA Ret.