Soldiers

The military faction of ShinRa Electric Power Company. All SOLDIER members are to have JENOVA cells and mako injected into their bodies. It is the mark of SOLDIER members. Notable members of SOLDIER are Sephiroth, Zack Fair, Angeal Hewley and Genesis Rhapsodos. SOLDIER members use swords.

Tsviets and Deepground

An elite group within Deepground. Their leader is Weiss the Immaculate who is followed by Nero the Sable, Rosso the Crimson, Azul the Cerulean and Shelke the Transparent, all of which are extremely strong and unstable. Mostly the latter. They are the main force that terrorizes Vincent. Leaders of Deepground.

Deepground is a top secret faction within SOLDIER. Their existence is known only to a few ShinRa executive until the events of Dirge of Cerberus. They were trapped underneath Midgar due the Meteor Crisis in Final Fantasy VII. Deepground was released by a rescue team. Side note, Deepground soldiers use guns.