The Imperial III was designed based off the Imperial II, however it was both lengthened and widened to incorporate the features the Supreme Commander of the Stonewall Federation Space Corps, William Bedford Forrest, wished for. The predecessor to the Imperial III, the Imperial II-class Star Destroyer. There were several major upgrades to its engines and shielding, along with an increase in length to accomodate more starfighter space along with more weaponary.
The biggest difference between the Imperial III and it's predecessor, the Imperial II, was cosmetic and a shorter, less obvious bridge structure. Its primary purpose was that of a carrier with enough guns to defend itself.
The Imperial III-class Star Destroyer, also known as the Imp Star Three, or Imperial III Star Destroyer, was the successor to the Imperial II-class Star Destroyer and was created as part of the Stonewall Federation's Revitalization Line following the Second Confederate War.
