Tactical Training Group Atlantic (TTGATL) The Tactical Training Group Atlantic (TTGATL) is a United States Navy organization responsible for tactical training and readiness assessment of naval forces in the Atlantic region. Based at Naval Station Mayport, Florida, it oversees exercises and operations that prepare naval ships and aircraft for real-world scenarios. These exercises encompass various aspects of naval warfare, such as anti-aircraft defense, anti-submarine warfare, and surface and air combat. The TTGATL is an essential component of the U.S. Navy's readiness and training strategy in the Atlantic region, ensuring a high level of proficiency among its forces.