I remembered I had this old Microsoft SideWinder Precision 2 USB joystick from 1998, and if that throttle at the bottom will work then it has juuuust enough buttons for Squadrons. Any
Guide to Buying a Microsoft Sidewinder Force Feedback 2 Joystick - Space Game Junkie
Microsoft Sidewinder Precision 2 Joystick very low use - video gaming - by owner - electronics media sale - craigslist