For every 1 Heavy, have 3 Lights. (e.g., 10 Heavies + 30 Lights).
You have three units:
: You can grow a massive fleet for "free," bypassing the high maintenance costs of early construction. imperator rome navy composition
If you are playing a Barbarian nation, a Tribal kingdom, or just need to protect trade routes, use this. For every 1 Heavy, have 3 Lights
Never mix transports with warships. Transports have and will die instantly, destroying your army. For every 1 Heavy