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JFO-class Mjolnir

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JFO
JFO-class Mjolnir from Halo: Reach armor permutation in Halo: The Master Chief Collection menu.
Production overview

Manufacturer(s):

Beweglichkeitsrüstungsysteme[1][2]

Testing site(s):

Special Warfare Center Essen, Deutschland[1]

Type:

MJOLNIR (GEN1)

MJOLNIR (GEN3) (Compatible)

Role(s):

Coordinating fire support

 

The MJOLNIR Powered Assault Armor/J variant, colloquially known as JFO, is a variant of the MJOLNIR Powered Assault Armor manufactured by Beweglichkeitsrüstungsysteme.[1][3]

GEN 1 Overview

Specifications

JFO is a Mjolnir variant that improves artillery request communication/coordination by Spartans across the Army, Navy, and Marine Corps. Spartans employing JFO are also fielded with systems and programs to protect them.[1]

Development history

JFO was developed by Beweglichkeitsrüstungsysteme at the Special Warfare Center Essen.[1] It was considered an "ill-favoured" entry into MJOLNIR development, but the JFO helmets were ultimately one of its most successful entries.[2]

Usage

It was often fielded by single Spartans in reconnaissance, infiltration, and artillery targeting scenarios behind enemy lines.[1] In 2553, the JFO helmet was worn by SPARTAN-III Owen-B096 as part of his mission with Outpost Discovery.[4][5]

GEN3 overview

GEN3 compatibility

As late as 2560, the GEN1 JFO helmet could be requisitioned by Spartans, upgraded to GEN3 standards.

Usage

Some Spartans at the Avery J. Johnson Academy of Military Science made use of the upgraded JFO helmet.

In-game information

Halo: Reach - GEN1

"Designed and tested at Beweglichrüstungsysteme this helmet is fully compatible with all armor systems."

The JFO helmet appears in the armory upon reaching the rank of Halo: Reach rank icon Warrant Officer, but is not unlocked until Halo: Reach rank icon Lieutenant Colonel.[3]

The helmet features a large visor, shaped like a shield or a fattened "T", and has two small air intakes on the cheek areas. Overall, the helmet provides significant armor coverage, protecting the majority of the head while maintaining a large field of vision.

In-game, the HUL-I is available only for the JFO helmet. The shoulder pieces are semi-circular arches that jut outwards from the shoulders. They also feature black, two-pronged protrusions that point parallel to the arm, and away from the hands.

Helmet Description Unlock requirements (Halo: Reach) Unlock requirements (Halo: MCC)
HR JFO Helmet Icon.png
JFO (helmet) 		Designed and tested at Beweglichrüstungsysteme this helmet is fully compatible with all armor systems.
Beweglichrüstungsysteme was home to many projects attached to the MJOLNIR program. 		Halo: Reach rank icon Lieutenant Colonel, 60,000 cR Season 1, Tier 59 (Spartan Point 1)
HR JFO HULI Helmet Icon.png
JFO (HUL-I) 		External hardened uplink-improved; upgraded variant of the standard issue HUL unit. Halo: Reach rank icon Lieutenant Colonel, 20,000 cR Season 1, Tier 59 (Spartan Point 1)
HR JFO UA Helmet Icon.png
JFO (UA) 		Up-armored variant of the base Mk.V[J] pattern helmet. Halo: Reach rank icon Lieutenant Colonel, 10,000 cR Season 1, Tier 61 (Spartan Point 1)
HR JFO LShoulder Icon.pngHR JFO RShoulder Icon.png
JFO (shoulders) 		Designed and tested at Beweglichrüstungsysteme of Essen, Deutschland. Halo: Reach rank icon Recruit, 1,000 cR Season 1, Tier 13 (Spartan Point 1)

Halo Infinite - Upgraded GEN1

The Mark V JFO helmet and its attachments are available for multiplayer Spartan armor customization on the Mark V [B] armor core in Halo Infinite. The JFO shoulders are available under the SAP series of shoulder pads.

Helmet Manufacturer Lore Rarity Unlock Requirements
JFO-class Mjolnir
JFO 		Beweglichkeitsrüstungsysteme An "ill-favored child" of Beweglichkeitsrüstungsysteme's risky entry into MJOLNIR development, JFO helmets were ultimately one of its most successful efforts. Epic TBD

Trivia

Main-Superintendent.png Browse more images in this article's gallery page.
  • JFO stands for Joint Fires Observer, a United States military designation for troops who coordinate fire support from land-based artillery and naval gun formations, as well as close air support.
  • The visor of the JFO helmet somewhat resembles the faceplate of the Marvel Comics character Iron Man.

Gallery

  • All variants of the JFO helmet in Halo: Reach.

    All variants of the JFO helmet in Halo: Reach.

  • A render of a JFO-clad Spartan as seen in the Halo: Reach menus.

    A render of a JFO-clad Spartan as seen in the Halo: Reach menus.

  • A full set of JFO armor in Halo: Reach Armory.

    A full set of JFO armor in Halo: Reach Armory.

  • The JFO helmet with upgraded HUL attachment.

    The JFO helmet with upgraded HUL attachment.

  • An up-armored variant of the JFO helmet.

    An up-armored variant of the JFO helmet.

  • The shoulder pauldron as seen in Halo: The Master Chief Collection.

    The shoulder pauldron as seen in Halo: The Master Chief Collection.

  • The JFO helmet worn by Owen-B096.

    The JFO helmet worn by Owen-B096.

List of appearances

Sources

  1. ^ a b c d e f Halo: The Essential Visual Guide, page 101
  2. ^ a b Halo Infinite, Armor Hall: JFO - Helmet Description "An "ill-favored child" of Beweglichkeitsrüstungsysteme's risky entry into MJOLNIR development, JFO helmets were ultimately one of its most successful efforts."
  3. ^ a b Halo: Reach, Armory: JFO Helmet - Description "Beweglichrüstungsysteme was home to many projects attached to the MJOLNIR program."
  4. ^ Halo: Lone Wolf
  5. ^ Halo: Outpost Discovery

v • d • e
 
List of armor permutations by game title

v • d • e
 
List of armor permutations in Halo: Reach
Spartan armor
Air Assault • Commando • CQB • CQC • EOD • EVA • Grenadier • GUNGNIR • HAZOP • JFO • Mark V • Mark V[B] • Mark VI • Military Police • ODST • Operator • Pilot • Recon • Scout • Security • AKIS (MCC only) • Mariner (MCC only)
Spartan supplemental armor
Assault • Collar • FJ/PARA • Hard-point (HP) • Jump Jet restraints • Sniper • Tactical • Up-armored (UA) • GRD (MCC only) • EXO/TSCS (MCC only)
Elite armor sets
Fractures Spartan armor
Cut armor
v • d • e
 
List of armor permutations in Halo Infinite
Spartan armor

Mark VII (Anubis • Armet • Aviator • Barrister • Brawler • Camazotz • Cavallino • Celox • Cestus • Champion • Courier • Deadeye • Dokkaebi • Enigma • Firefall • Flanker • Hawker • ISR • Kai-125 • Linebreaker • Mark V Zeta • Mark VI • Mark VI MOD • Mark VII • Menachite • Mercury • Rampart • Riz-028 • Rockeye • Security GEN3 • Soldier • Stormfall • Talon • Trailblazer • Trendlock • Torchbearer • Vannak-134 • Volant • War Master • Winterknight • Zvezda)
Mark V [B] (Air Assault • Commando • CQB • CQC • EOD • EVA • Grenadier • GUNGNIR • HAZOP • JFO • Mark V • Mark V [B] • Mark VI • ODST • Operator • Pilot • Recon • Scout • Security)
Rakshasa (AKIS II-GRD • Artaius • Bunyip • Cambion • Conqueror • Lechuza • Locus • Morrigan • Rakshasa • Rasetsu • Scorn • Shikari • Stribog • Taskmaster • Ullr • Viper)
Mirage IIC (Athlon • Balor • Belus • Erinyes • Extender • Mirage IIC • Neith • Nexus • Skymarcher • Squire • Street Viper • Tyro • Veles)
Hazmat (Ashmaw • Burrowlens • Farkas • Mark VI CBRN • Notus • Oberon • OSTEO • Ogun • Project CORSAC • Serket • Skarbnik • Steelheart • Temfor • Voidspear)

Mark IV (Ardent • Ärger • Emil • Isidor • Mark IV • Paladin • Theodor • Ulrich • Valiant • Wilhelm • Ypsilon • Zacharias)
Spartan armor accessories
AAP • FC • FCI • SAP • TAC • UA (Type FJ) • UTIL
Other
Fractures Spartan armor

Yoroi (Chonmage • Hakushika • Hikeshi • Kabuto • Kawari • Otomosho • Yokai)
Eaglestrike (Boggart • Brodie • Eaglestrike • Kerberos • Leadbelcher • M199X • Sky Marshal)

Chimera (Abatur • Chimera • Flenser • Fomorian • Geist • Grendel • Grimghast • Merrow • Mimir • Peaceweaver • Strigoi • Thresher • Wendigo)
For a complete list, check out our armor category.

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