SVB-29 SwiftFortress

The SVB-29 SwiftFortress is a four-engine propeller-driven heavy bomber of South Vietnam Air Force and Army of the Republic of Vietnam that it will be new improved ARVN version of Boeing B-29 Superfortress.

Only happened in Operation Wallop and Battle of Aviary Action that it will mostly being used to against aerial bosses (who from Cuphead game) and destroy other locations in Inkwell Isle.