Narcozine gas

Narcozine gas is a chemical agent used as a weapon by the United Nations Space Command. When inhaled, the gas quickly causes paralysis.^[1]

Narcozine gas is installed as a security measure in certain Office of Naval Intelligence bases, like CASTLE Base on Reach, in order to neutralize potential threats to security. AI constructs inside these bases are given broad discretionary powers, with the power to use this gas on anyone who violates protocol and accesses classified information. The AI Araqiel threatened to use this gas against Dr. Cathrine Halsey at the base. In return, Halsey activated the AI's fail-safe function, erasing Araqiel's Riemann matrix.^[1]

List of appearances

Halo: First Strike (First appearance)

Sources

^ ^a ^b Halo: First Strike, page 127-128 ("I have taken control of the air reclamation system for your medical wing. I can pressurize your office and cause pulmonary edema. I can release narcozine gas to para—")

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Ordnance in UNSC service

Missiles and rockets

Ground-launched	Anaconda SAM • Argent V • ASRGAM-10X • Lancet • ASGM-7 • M5100 LTM

Air-launched	AAM-50XR • AGM-79C • Anvil ASM (ANVIL-II • ANVIL-IV) • Argent V • ASGM-4 • ASGM-10 • ASGM-15 • MITV Pod • Phoenix missile • Scorpion missile • ST/Medusa missile

Ship-launched	Archer • Ares • Bident • Fusion rocket • Harpoon • Howler • Hyperion • Longbow • Shrieker • Rapier • Rudra • Shiva (VE-3) • Streak

Launch systems

A-74 Sylver missile launcher • ATAF missile turret • M39 rocket turret • M5920 missile launcher • M79 MLRS • M80 MLRS • Lance GMWS (M95 • M97) • M260 MLRS • M302 rocket pod • M400 missile launcher • M651 missile launcher • M/RODAS delivery system • Scimitar rocket pod • "Shoulder Angel" • Unidentified SAM launcher

Nuclear weapons

Medium Fusion Destructive Device	FENRIS nuclear warhead • Fury tactical nuclear weapon • HAVOK tactical nuclear weapon

Strategic	11-B1 intercontinental ballistic missile • Harpoon nuclear missile • Hyperion nuclear missile • NOVA bomb • Rudra-class nuclear missile • Shiva-class nuclear missile (VE-3 type)

Chemical weapons

Narcozine gas • VX 7 nerve gas

Mines

Ground	Antilon anti-personnel mine • Asteroidea anti-personnel mine • Cryo mine • Lotus anti-tank mine • TR/9 antipersonnel mine • Type 14 Magnetic/Anti-Tank Mine • Type 18 Magnetic/Bayonet-style Claymore • Unidentified landmine

Space	M441 Hornet Remote Explosive System • M1011 Moray space mine