From Halopedia, the Halo wiki
The Type-3 Refraction Dissonance Modifier/Camouflage system provides near-invisibility by bending light around the Spartan.
|Airstrike||Multiple heavy explosives are dropped in the area around the Spartan.|
|Bubble shield||Generates a fixed, spherical energy barrier. The one who deploys the shield can fire their weapons through the shield while their enemies cannot.|
|Autosentry||The Z-2500 Automated Protection Drone is a stationary drone that attacks hostile targets in its range.|
|Overshield||The overshield enhances the player's energy shielding capacity by an additional 100 percent.|
|Proximity mine||Deploys three Covenant proximity mines that home in on nearby enemies.|
The M2705 Regenerative Kinetic Dispersal Field heals the user and any surrounding allies.
|Seeker drone||The seeker drone is an explosive drone that homes in on enemies once deployed.|
|Shock chain||The shock chain generates an energy field around the Spartan that damages nearby enemies.|
|Sprint||Greatly increases the Spartan's movement speed when activated.|
|Teleport||The teleport allows the Spartan to use slipspace translocation to move around the battlefield.|