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Description
The Mark XII naval gun (officially called the 6.1 inch Mark 12 naval gun system) was a UNSC naval gun system designed for general purpose fire support duties. The Mark XII was mounted in dual turrets and fitted to all UNSC vessels of frigate size and above (with the addition of the Bow-class corvette), replacing the 4.1 inch Mark 22 naval gun in the general purpose fire support role. The Mark XII was a versatile weapon providing a multi-role fire ability, capable of fire support, anti-surface, anti-ship and anti-air fire missions, and functioned by magnetically accelerating a 155 millimetre ferrous slug to half the speed of light.

When used in an anti-air role, the weapon's high accuracy and terminal effect per round compensated for its low rate of fire compared to traditional close-in weapon systems. This enabled it to engage single ships efficiently while also maintaining a number of additional taking on stronger targets and a in wider range of roles. In an anti-ship role, the naval gun was more powerful than conventional antiship missiles, as well as faster, giving it a strong light anti-ship role. The gun could be directed to fire at vulnerable external targets such as shield generators and weapons, overwhelming shields with powerful localised fire and disabling enemy systems before the main shields were disabled. Dependent on range, the Mark XII was also capable of directing fire through openings in enemy shields caused by active enemy weapons, in this way destroying point defence lasers, plasma torpedo launchers and large energy projectors. The Mark XII could also function in an anti-surface role, engaging ground targets using targeting information provided by allied ground units. The gun systems' unprecedented accuracy and firepower was achieved at great cost effectiveness, whereby a single slug would take the place of a multi-million credit missile.

The naval gun acted as a multirole light armament which could effectively be turned on any target, providing each vessel an increased degree of flexibility in combat. The gun could function in both offensive and defensive roles, sometimes simultaneously, directly assaulting targets or laying down supporting fire to assist allied vessels, or projecting a defensive 'screen' of anti-aircraft fire using advanced airburst munitions or other exotic types.

Target selection and tracking was handled by the shipboard AI, either directly or by the automated fire control system under the AI's supervision. The Mark XII's lightweight, armoured turrets had a total elevation of 165 degrees, and could traverse fully in under six seconds. Including the gunhouse, magazine, fire control room and power room, the weapon system full system occupied five decks. The general design for the Mark XII was based on the 5.9 inch Mark 2488 naval gun, though thoroughly updated and modernised for a magnetic system. The biggest visual change was the redesigned gunhouse, intended to reduce radar cross-section. The UNSC's vastly improved reactors, engineered with Sangheili and Huragok assistance, meant that the Mark XII could achieve a cyclic rate of fire of 50 slugs a minute. A range of ammunition types were available in the 6.1 inch calibre including Kinetic Penetrator Tungsten, Ceramic, Reactive, Fragmentation and Multiple slugs.

After a long time (3+ years) of not touching 3D modelling, I decided to create this quick model of the UNSC's 50mm point defence guns, seen in Halo Reach.

I was never particularly skilled with 3D stuff before, I pretty much made it all up as I went along. Maybe this time I'll take it a bit further and try creating my 2D designs.

Not much bit it's a start!

Description
The Mark XII naval gun (officially called the 6.1 inch Mark 12 naval gun system) was a UNSC naval gun system designed for general purpose fire support duties. The Mark XII was mounted in dual turrets and fitted to all UNSC vessels of frigate size and above (with the addition of the Bow-class corvette), replacing the 4.1 inch Mark 22 naval gun in the general purpose fire support role. The Mark XII was a versatile weapon providing a multi-role fire ability, capable of fire support, anti-surface, anti-ship and anti-air fire missions, and functioned by magnetically accelerating a 155 millimetre ferrous slug to half the speed of light.

When used in an anti-air role, the weapon's high accuracy and terminal effect per round compensated for its low rate of fire compared to traditional close-in weapon systems. This enabled it to engage single ships efficiently while also maintaining a number of additional taking on stronger targets and a in wider range of roles. In an anti-ship role, the naval gun was more powerful than conventional antiship missiles, as well as faster, giving it a strong light anti-ship role. The gun could be directed to fire at vulnerable external targets such as shield generators and weapons, overwhelming shields with powerful localised fire and disabling enemy systems before the main shields were disabled. Dependent on range, the Mark XII was also capable of directing fire through openings in enemy shields caused by active enemy weapons, in this way destroying point defence lasers, plasma torpedo launchers and large energy projectors. The Mark XII could also function in an anti-surface role, engaging ground targets using targeting information provided by allied ground units. The gun systems' unprecedented accuracy and firepower was achieved at great cost effectiveness, whereby a single slug would take the place of a multi-million credit missile.

The naval gun acted as a multirole light armament which could effectively be turned on any target, providing each vessel an increased degree of flexibility in combat. The gun could function in both offensive and defensive roles, sometimes simultaneously, directly assaulting targets or laying down supporting fire to assist allied vessels, or projecting a defensive 'screen' of anti-aircraft fire using advanced airburst munitions or other exotic types.

Target selection and tracking was handled by the shipboard AI, either directly or by the automated fire control system under the AI's supervision. The Mark XII's lightweight, armoured turrets had a total elevation of 165 degrees, and could traverse fully in under six seconds. Including the gunhouse, magazine, fire control room and power room, the weapon system full system occupied five decks. The general design for the Mark XII was based on the 5.9 inch Mark 2488 naval gun, though thoroughly updated and modernised for a magnetic system. The biggest visual change was the redesigned gunhouse, intended to reduce radar cross-section. The UNSC's vastly improved reactors, engineered with Sangheili and Huragok assistance, meant that the Mark XII could achieve a cyclic rate of fire of 50 slugs a minute. A range of ammunition types were available in the 6.1 inch calibre including Kinetic Penetrator Tungsten, Ceramic, Reactive, Fragmentation and Multiple slugs.

After a long time (3+ years) of not touching 3D modelling, I decided to create this quick model of the UNSC's 50mm point defence guns, seen in Halo Reach.

I was never particularly skilled with 3D stuff before, I pretty much made it all up as I went along. Maybe this time I'll take it a bit further and try creating my 2D designs.

Not much bit it's a start!