Originally Posted by
4fans
Delta says it has to be within 10 years. I think the military has it tied to deployments somehow.
My YF shots in the military were 1993/2003/2013. Exactly 10 years apart. For 2003 I was about to deploy, but 2013 I was in Mississippi. Of course maybe that explains it as well! Also, I'm an Apr 14 CJO and got my Cleared to Train email yesterday.