. . . an experimental test armor. Meant to block the harmful energy fields of the prior model, this "over-sized test model," as Stark called it, was taken into action with the Fantastic Four to battle Ronan the Accuser, in Vol. 3, #4.

Model XX, Mark I, The Test Armor, sometimes erroneously referred to as a Space Armor Variant, was built as an experimental suit after Dr. Hank Pym discovered that the energy fields of Iron Man's Model XVIII, Mark I suit were not only preventing his body from healing, they were slowly killing him. A test model with no major bells or whistles, this armor was a re-enginered version of Model XVIII, Mark I with several compelling cosmetic changes.

The Test Armor is reminiscent of the Heroes Reborn Armor (Model XVII), incorporating that same steel-cable look-- The neck, arm, and upper leg segments are bound by steel mesh wire. A bulkier suit then the Heroes Return Armor (Model XVII)--probably because of its' unrefined experimental nature --its' chestplate incorporates a less streamlined design with a large chest beam. Dramatic legs with high hip boots round out the armor.

The Test Armor is reminiscent of the Heroes Reborn Armor (Model XVII), incorporating that same steel-cable look-- The neck, arm and upper leg segments are bound by steel mesh wire. A bulkier suit then the Heroes Return Armor (Model XVII)--probably because of its' unrefined experimental nature --its' chestplate incorporates a less streamlined design with a large chest beam. Dramatic legs with high hip boots round out the armor.

Model XX retains the same sensors and HUD interface, while adding a Magnetic Tractor Beam. The command systems remain vulnerable to an EM pulse.

The special feature on this suit: Tony Stark took a bare-bones approach with this armor, actually removing many of his standard touches/features. His real innovation was in producing an armor that does not produce killer fields.

Armaments: Repulsors, Wrist-Mounted Machine Gun

So why ain't this a space armor? Well, for one, Tony never calls it one. What's more, Iron Man needed to use Reed Richard's experimental Fold-Space Transceptor Module to get to the moon, so it is a safe bet that this model lacked the needed thrust to achieve escape velocity--not to mention the beefy thrusters of previous space armors.