SHSO Forever has an Official Discord server.
For more information, check out SHSO Forever's Official Discord Server. Note that by joining you agree to follow the terms and guidelines of both Discord and the server itself.
If you just want to hangout with your fellow Squaddies outside the game, there are a bunch of community servers to choose from! But take caution! These are less regulated and not officially apart of the remake, so information found there may not be accurate!