I accidently dismissed all my staffs of ~700 persons down to just 6: Huey, Miller, Ocelot, Quiet, Silent Basilisk, Ziang Tan. Whom are locked, if not they'd probably gone too. Yeah, I know, stupid me.
The last couple of days I've been grinding to raise my staff count back, even recruiting low ranks with all E stats. Before that I dismissed anyone who doesn't have at least one A, and only recruited ones with at least one yellow stat (i.e. A+ up).
Currently I'm at 254 persons. Still a lot to go, even more if I want to go back at my standard of at least one A.
So, any suggestion how to quickly raise my staff count? Currently my method is free roaming with Quiet and have her stuns all soldiers with Cover Me/Guilty Butterfly combination.