Cryptic and Perfect World Entertainment have released Star Trek Online Season 6: Under Siege. The update introduces the Fleet Advancement System, which allows Fleet members to construct, level-up and defend their own Starbase. Alongside new Fleet events and additional end-game content for max level players,it’s the first major Foundry update since launch and also includes: Fleet Starbase Defense Missions, Fleet Rewards, and a Fleet UI Redesign. Update the game now. Shots are below.