Bobby Lashley wrestled for the armed forces
No he has not ever been on TNA
There is a TNA Impact for the PS3
It is a possibility that WWE will invade TNA. If it does happen, it is unknown.
Well for one Sandman did when he was on tna I don't know about anyone else. [check on youtube and see sandman's tna matches they are great].
No.
probably not. WWE and TNA are two different companies
Bobby Lashley is currently signed with TNA, so no he isn't in the military.
no.
WWE
he went to TNA
when ever he comes back
I seriously doubt anything will ever happen between TNA and the WWE. First of all WCW was a MAJOR comepetitor with the WWE and TNA is not. TNA and WWE will continue to have wrestlers jump between the two companies but there is little no chance that any invasion will ever happen.