This map utilizes the same locks as E-2. However, Fast speed is no longer a hard requirement, although some restrictions still apply (maximum number of ships with base Slow speed, regardless of use of engine equipment; see branching rules). | This map utilizes the same locks as E-2. However, Fast speed is no longer a hard requirement, although some restrictions still apply (maximum number of ships with base Slow speed, regardless of use of engine equipment; see branching rules). |