Though Arm Powered Assault Armor is known to be reverse engineered, how they managed to quickly obtain and copy the advanced USIF Powered Assault Armor is unknown. It is possible that some soldiers of the the Arm of Orion, being humans with connections to the United States Imperial military, and as former members of the legendary 8th Armored Infantry Division, brought their modern powered assault armor to the Orion's Spear when they defected. This allowed the Orion's Spear to reverse engineer the armor, as they had already established military self-sufficiency after the entire organization turned against the United States Empire; Orion's Spear armor was also augmented with the newer technology, as many continued to wear older, less efficient models of armor, such as the case with Orion's S