Posting on the fly here.
Odds are:
99.99% he is being forced out.
00.01% what little conscience he has (if any) led him to resign.
Either way, 100% incompetent.
To be fair (and Hagel was my congress critter for years), he does love America.
Word is from back home that he fought Obama quite a bit on things, and was trying to adjust the remnants of the military to fight a more 3rd generation style of warfare.
Now he failed at that, which isn’t surprising, but I think he got canned because he was to “pro military”.