EVA-class Mjolnir

"The Mjolnir/V variant was developed and tested at UNSC facilities in Lister, Aigburth on Ganymede, integrating feedback gathered from the Summa Deep Space incident"

- Halo 3 armor description.

The MJOLNIR Powered Assault Armor/V variant, more commonly known as Extra Vehicular Activity Armor and abbreviated as EVA Armor, is a type of United Nations Space Command body armor.It is first seen in Halo 3.

Development and History
The Mjolnir/V variant was developed and tested at UNSC Low/Zero Gravity Testing Facility facility in Lister, Aigburth on Ganymede, integrating feedback gathered from the Summa Deep Space Incident. The Mjolnir/V variant focuses on increasing exo-atmospheric endurance and improving mobility in zero gravity without the original use of back thrusters.

Its predecessor, the Mark IV MJOLNIR Powered Assault Armor/V variant was in front line use as early as 2531. It could be attached to a T-PACK like the standard MJOLNIR armor and used for deep space operations. SPARTAN-051 went missing when Blue Team was on one such op, in Mark IV Variant V MJOLNIR armor.

Helmet Characteristics
The EVA armor's Helmet is aesthetically similar to SPI armor's helmet, to the point that early renders were mistaken to be SPI armor. However, the rim from the jaw down to the chin is thinner, including the breathers, and around the back of the head it has a quarter sphere shape. Also, the helmet is much more rounded than the SPI helmet. The helmet may have a large, all around visor for maximum amount of vision during EVA operations.

Shoulder Characteristics
The shoulder pads are larger than the standard MJOLNIR pads and feature a long attachment to their center which is similar to a part of the SPI shoulder pad. They also seem to be somewhat cubic.

Chest Characteristics
The chest plate appears to be MJOLNIR chest plate but with two pieces added on and the straps between the back plate and front plate have a buckle like object on them. The objects of the chest plate may be pieces of equipment for EVA operations. Also, the top rim protrudes out a bit more than the MJOLNIR.

Unlock

 * Head: Complete the Halo 3 Campaign on Normal, Heroic, or Legendary.
 * Shoulders: Complete The Ark on Normal, Heroic, or Legendary.
 * Body: Complete Tsavo Highway on Normal, Heroic, or Legendary.
 * Unlock All Armor Components: Complete Campaign on Normal, Heroic, or Legendary.

Trivia

 * The helmet of this armor variant is reminiscent of and may have been inspired by the SPI Armor, utilized in the Spartan III Program.
 * The Mjolnir Powered Assault Armor/V variant's first appearance in Halo canon was in Ghosts of Onyx, when the MJOLNIR Mark IV version was utilized by the Spartans of Blue Team on their mission to Station Delphi.
 * The facility the armor was tested in is a reference to the character Dave Lister of the British sci-fi sitcom Red Dwarf, who was found abandoned in a box under a pool table at the Aiburth Arms Pub as a baby.
 * The Helmet has been given some nicknames such as "Bug" and "Fish Bowl".
 * On the lower portion of the chest plate is a pair of circles. These have been nicknamed "cassette tape" and "boom box".
 * Hammer from the Machinima series "Spriggs" wear EVA armour
 * The unknown attacker from the Red vs Blue: Reconstruction trailer wears an EVA helmet.
 * The helmet seems similar to the helmets worn by recon replicas in the game F.E.A.R.
 * Apart from other resemblance to other protagonists and antagonists in other games it actually bears a semblance to the Haze game coming out on Sony's bahalf.