Egg Fort IV

Egg Fort IV is the battle flagship and Dr. Eggman's second Mobile Fortress. Egg Fort IV is located in the heart of the Egg Fleet and seems to be permanently surrounded in rough weather.

Description
Egg Fort III is a Massive, armored aircraft with the stream-like design. It spots a red and yellow color scheme, and is heavily armored and is able to instantly teleport to their designated location.

Interior

 * Dr. Eggman's office: A large room shaped like the silhouette of Dr. Eggman's head, with a lone chair and desk with touchpad controls. Features holographic screens for surveillance footage recorded by Eggman's robots.
 * Hot Shelter: The inside of the Egg Fort III, filled with cogs and gears, high-speed transport rails, elevators, cranes and many other mechanisms.
 * Egg Fort III Island: Located in the interior of the Egg Carrier, which requires the password "EGGMAN" to gain access. It is a desert island with a base and and a huge crashed missile.
 * Hanger: A hangar large enough to hold the Army of Egg Pawns.