The Egg Fleet is an object that appears in the Sonic the Hedgehog comic series published by IDW Publishing. It is the Eggman Empire's massive, aerial assault force consisting of many airborne vessels, all based off sea creatures and bristling with guns, cannons and other armaments.
The Fate of Dr. Eggman
The Egg Fleet was eventually revived and brought into position by Neo Metal Sonic, who had taken over as leader of the Eggman Empire, so it could help him invade Angel Island. While heading out on an Egg Fleet flagship to join up with the rest of fleet however, Neo Metal Sonic got a surprise visit from Sonic the Hedgehog when the hedgehog infiltrated his flagship in hopes of getting some data. Once he learned that Neo Metal Sonic was up to no good, Sonic tried to defeat his robot double. However, he was forced to flee the ship after Neo Metal Sonic acquired his abilities. As Sonic fled, Neo Metal Sonic tried incapacitating Sonic with his ship's artillery and robots, but Sonic destroyed them all before escaping on the Tornado. With his ship crippled, Neo Metal Sonic chose to focus on his original plan. Soon after, the entire Egg Fleet had surrounded Angel Island's airspace. After taking over Angel Island, Neo Metal Sonic had the Egg Fleet safeguard the island from the air. He also had two massive wing units with Egg Fleet vessels embedded in them attached to Angel Island's shoreline.
The Battle for Angel Island
When a Battleship carrying Sonic and his allies approached the now-heavily fortified Angel Island, the Egg Fleet opened fired upon it. Despite being able to destroy the Battleship, all its passagers managed to evacuate it in time. The Egg Fleet vessels on Angel Island's artificial wing units then came under attack by Sonic's allies, including Burning Blaze, who sought to break the fleet's control over Angel Island.
As the battle progressed, Sonic's allies managed to leave their mark on the Egg Fleet vessels on Angel Island's wing units, although they did not make a lot of headway. Eventually though, Burning Blaze used the remainder of her power to destroy Angel Island's left wing unit and all the Egg Fleet vessels on them. In the meantime, Tails and Silver managed to hijack an Egg Fleet battleship, which they used to destroy Angel Island's last wing unit and its Egg Fleet vessels. The heroes subsequently regrouped on the Egg Fleet vessel Tails had hijacked.