NPs Who Work Contract on Military Bases


Are there any NPs here who have worked contracts on Military bases?  I am curious what hiring/interview process was like?  I recently applied for a job and they reached out to me asking for my current pay and benefits package where I work now so that they can try to successfully set up a bid. I am curious what the process is if the bid goes through. Also, is the start date flexible or if I chose this job but I have to start ASAP?