Ghostzone is a group made as a special military group that deals with a Supernatural threats. It was formed in 1988 and is still going strong to this day. They are one of the groups involved in the events of the game Shatter where Their dealing with creatures known as Time-Phantoms.
Ghostzone was formed after the creator was inspired by the film ghostbusters and wanted to make a real life version of them. Unfortunately in 1991 The creator died under unknown circumstances. The group was later merged into The mysterious force known as The Maverick Network that was shut down in 2102. It is still going strong to this day.