Originally Posted by sailingfun

In order to legally Jumpseat regardless of CASS status you do need to be a active employee. If you are on mil leave in excess of 30 days you are no longer a active employee. Delta in the past allowed mil leave jumpseating however you had to occupy a cabin seat and could not ride in the cockpit. It's not about companies being vindictive it's a FAR.
I know lots of pilots will post they have jump seated on long term mil leave. To a certain extent it's like any other FAR. If you don't get caught no problem. Getting caught could be a big issue.