Although it is capable of operating in a direct combat role, SOLDIER-class armor usually functions in support capacity on the battlefield. The armor system features components that are visibly utilitarian and functional in nature. It is unlocked by reaching the rank of SR-15.
- The Mjolnir GEN2 Soldier armor is worn by Paul DeMarco and Vladimir Scruggs.
- The Helmet resembles that of the N.O.V.A. armor in NOVA 3.
- In the Halo 5: Guardians Multiplayer Beta, the Soldier helmet is unlocked at SR-33, while the chest is unlocked at SR-34.