Formally speaking, a squadron is your team members, wherever they may be, and a base is your home location. But they are often used interchangeably.
INDIVIDUAL STARTUP GUIDE
What to do as an individual looking at joining Lightspeed.
BASE STARTUP GUIDE
How to get get recognized as a part of Lightspeed Saber League.
ADVANCED BASE GUIDE
Everything you need to know as a base to start running your own tournaments.