Zone of Endless (abbreviated as Z.O.E.) was an artificial intelligence developed by Gründer Industries. It was installed onto various aircraft and utilized in secret during the Usean Continental War in 1998. Z.O.E. supported advanced maneuvers and was equipped with next-generation technology, including the ADF-01 FALKEN. Despite this, all Z.O.E. units were destroyed by Phoenix, and the AI is believed to no longer exist.