Most of the REALLY senior officials retiring don't go to job fairs, they have their post-military career lined up for them for the most part before they leave. (If they want it)

There's a reason the military can't keep mid-career officers around, however, you guys out on the civilian side keep hiring 'em. That's what I hate about Captains.........you get one trained, and they leave for a civilian job then you have to start all over again.