As of my last update, Scopely, the developer of Star Trek Fleet Command, does not allow players to freely switch servers within the USA or globally. When you start playing the game, your account is tied to a specific server, and there is no in-game feature that allows you to transfer your account to a different server. However, there have been occasional server merges initiated by Scopely, where players from one server are moved to another as part of a broader effort to balance server populations. These merges are usually beyond the control of the players and are determined by Scopely based on the needs of the game. If you're interested in playing on a different server, the only way to do so would typically be to start a new account on that server. Keep in mind that doing so would mean losing progress from your original account, as progress is not transferable between servers.