The Big Boom is a large flying fortress that is in the sky. It is a 1 mile long and 0.7 mile wide fortress. It mostly deemed a "half-square".
The Big Boom is a location where Jack Kayner frequently visits. The Big Boom has 526 AA guns, 9 "side tanks" (tanks that are lifted up to a 90 degree angle and can fire), 19 command towers, 3 command centers (Front, Rear & Technical) and 1 bridge. It also has a High Command meeting center.
It is estimated that the Big Boom cost between $87-$98 billion dollars.