From Halopedia, the Halo wiki
The AN/PZY-990T STARLIGHT optical sensors integrates directly with Mjolnir VISR drivers and intelligence analysis systems to provide real-time situation updates to commanders.[Note 1] It resembles a camera, and is typically worn on the right side of the helmet.
Manufactured by Chalybs Defense Solutions and compatible with the CH252 helmet, the PZY-955SSA WILLOW remote sensor is dependable and natively compatible with older UNSC and CMA encoding formats.[Note 2] It is typically worn on the right side of the helmet. It can be employed alongside a Command Network Module or a CBRN module.
Although it was previously available only to Beta-5 security teams and select Army rapid-reaction forces, it was also employed by Orbital Drop Shock Troopers during Fall of Reach. By 2558, its use was adopted by Spartan-IV personnel employing the Military Police helmet, which also employs an integrated Command Network Module.
Manufactured by Misriah Armory, the Liberty Rig is composed of a bandolier and utility packs.
Manufactured by Emerson Tactical Systems, the Paradise Rig is composed of a gorget up-armor plate, a backup electronics pack, and small field cases. These items are marketed by Emerson to various markets, including the Spartans.
Manufactured by Misriah Armory, the MAT-2519C communicator (also designated Assault/Commando)  is a robust communication device, able to withstand the weight of a Scorpion, at the cost of lacking modern HUD interlinks and VISR software drivers.
MC5 Individual Data/Net Terminal
SRT Universal Global Positioning System Device
Manufactured by Ushuaia Armory, the SRT Universal Global Positioning System Device (designated as TAC/UGPS or Tactical/UGPS) is a wrist-mounted device that connects to the SRT Universal Global Positioning System.
Type 3ZY acoustic hailing device
The Kukri machete is considered both a tool and a weapon. Manufactured by Misriah Armory, it is typically worn on the chest.
M1 Combat Knife
MK 88 Ratio
The MK 88 Ratio is a compact survival/utility knife widely used by UNSC and milita forces. 
Model 52 Navy Knife
The Model 52 Navy Knife is a combat knife used by the Naval special forces.
M10 Tactical Soft Case
The M10 Tactical Soft Case (designated as Tactical/Soft Case) is a pouch attached to the thigh component of the armor. It is typically purchased off-the-shelf from a variety of manufacturers, though its manufacturer has been attributed to Weapon System Technology.
All Tactical armor types can be unlocked in the Halo: Reach's Armory through the game's purchase system via the use of cR. In Halo: The Master Chief Collection, the Tactical armor types are attainable in the Season 1: Noble progression system.
Mark VII core
Mark V [B] core
List of appearances