Nuclear Weapons

Name	Type	Scale	Fire Control	Space Range	Atmosphere Range	Damage
MFDD	Medium Fusion Destructive Device	Capital	N/A	N/A	N/A	3D
HAVOK	Tactical Nuclear Weapon	Capital	N/A	N/A	N/A	3D+2
FENRIS	Nuclear Warhead	Capital	N/A	N/A	N/A	4D+1
Fury	Nuclear Warhead	Capital	N/A	N/A	N/A	4D+2
Fusion Rocket	Rocket	Capital	3D	2-12/30/60	4-24/60/120km	6D+2
Shiva	Nuclear Missile	Capital	3D	2-12/30/60	4-24/60/120km	9D
Hyperion	Nuclear Missile	Capital	3D	2-12/30/60	4-24/60/120km	6D
NOVA Bomb	Nuclear Bomb	Death Star	N/A	N/A	N/A	15D

Medium Fusion Destructive Device

The Medium Fusion Destructive Device, or MFDD, commonly referred to in the UNSC as the "Mike Foxtrot Delta Delta" is a tactical nuclear weapon with a yield of 63 terajoules (approximately 15 kilotons TNT equivalent), used by the United Nations Space Command. It was manufactured by Misriah Armories.

An MFDD was used by Noble Team to destroy a CCS-class battlecruiser during the Battle of Fumirole during the Human-Covenant war.

HAVOK Tactical Nuclear Weapon

The HAVOK tactical nuclear weapon is a UNSC nuclear weapon.

The HAVOK tactical nuclear warhead is one of the most powerful ground-based nuclear ordnances in the UNSC arsenal, and has a thermonuclear yield of 30 megatons. The HAVOK is typically detonated via remote signal when not employed as a warhead but in dire circumstances can be activated manually. This is accomplished by twisting the front end of the device, which extends out of the shell, indicating that the device has been armed. When armed using this method the HAVOK will detonate after detection of physical impact with the outer shell.

The HAVOK tactical nuclear weapon is primarily utilized in situations in which the UNSC must eliminate Covenant forces in entrenched in highly defendable locations and formations, or to prevent important locations from falling into Covenant control. The UNSC will authorize the use of HAVOK explosives to eliminate Covenant naval vessels deploying infantry and equipment as well. Nuclear weapons like the HAVOK are employed often in combat against the Covenant Empire, as they are some of the only weapons in the UNSC arsenal capable of directly inflicting catastrophic damage to advanced Covenant technology and massed infantry formations. However, nuclear ordnance is only authorized when all civilian and military populations have been evacuated or compromised within a target area.

FENRIS Nuclear Warhead

FENRIS warheads had super hardened cases to contain the detonation longer and boost the thermonuclear yield. The hardened cases also made them resilient to small arms and explosions, so resilient in fact that they were regarded as useless without the detonation codes. FENRIS warheads are considered low-yield devices.

They may be detonated manually or remotely.

Fury Tactical Nuclear Weapon

The Fury Tactical Nuclear Weapon is a battlefield nuclear weapon in use by the UNSC.

The Fury Tactical Nuclear Weapon (nicknamed Tac-Nuke by the UNSC) is a battlefield nuclear weapon used by the UNSC, and has been described as the closest equivalent in the UNSC arsenal to 'a nuclear grenade'. It is the size and shape of an over inflated football. Its yield has been stated to be slightly less than one megaton, and the nuclear blast has been described as extremely clean and has a radius of about 1.3 km. The Fury is relatively effective at destroying anything from a Covenant base to a Covenant Cruiser, although the Fury would have to be inserted into the ship prior to detonation. As the Fury is a highly dangerous weapon, it is not typically part of a standard weapons loadout for UNSC Marines, but can be distributed by higher-ranking officers if needed, as was the case on Reach, where Reach High Command sent two Fury Tac-Nukes and six Anaconda surface-to-air missiles in a reinforcements drop from HighCom Armory Omega.

Fusion Rocket

The Fusion rocket was a type of UNSC warship ordnance in service in 2525. These rockets proved to be inefficient against Covenant shielding, and they were also impractical because they had no guidance system, and they took a long time to accelerate. The UNSC typically used these to lay waste to relatively stationary targets, such as orbiting space stations.

Typically, UNSC carriers carried two Rockets and Marathon-class cruisers carried five. The UNSC Commonwealth also carried two Fusion rockets at the time of the Battle of Chi Ceti.

Shiva-class Nuclear Missile

The Shiva-class Nuclear Missile is a starship and starfighter-launched thermonuclear weapon used by the United Nations Space Command. The Shiva can be outfitted with various payloads and explosive yields.

These missiles are often employed by the UNSC in ship-to-ship engagements with the Covenant. UNSC forces only use nuclear weapons, such as the Shiva, when human forces are severely outnumbered, and/or tactical situations that demand the use of such weapons

M4093 Hyperion Nuclear Delivery System

Hyperion

The M4093 Hyperion Nuclear Delivery System, more commonly known as the Hyperion Missile, was a nuclear weapon developed by the UNSC for frigates and destroyers.

NOVA Bomb

The NOVA Bomb is a cluster of nine nuclear fusion warheads encased in a lithium triteride case. When the warheads are activated, the lithium triteride shell focuses the blast in upon itself, multiplying the destructive power a hundredfold. This gives the NOVA Bomb an unprecedented payload for its size. Its capability to destroy a planet has earned it the nickname the "Planet-Killer". It should be noted that on the one recorded event when a NOVA Bomb was detonated in the midst of a fleet close to the planet Joyous Exultation, it scorched one quarter of the planet's surface due to a high concentration of thermal energy inside the planet's atmosphere; it also shattered a nearby moon. Any further detailed analysis on the full power of this bomb has yet to be mentioned in the Halo series, but it is known that it is the most destructive weapon in the UNSC's arsenal.

UNSC Nuclear Weapons