Hard to get on with, if you don't have a clearance and a King Air type they probably won't take you. Can't hurt to apply though.
From the grapevine... they stay in hotels at least at one location anyways, from what I heard the pay is on par with their competitors.
They do US government ISR contracts which means if you are injured overseas you should be covered by the Defense Base Act or DBA. You may have to pay out of pocket initially, but it's 100% reimburseable AFAIK.
Defense Base Act: Insurance Coverage for Government Contractors
FWIW I haven't heard much about CAT, but what I've heard has been good.