An omitted noun after a possessive

The hunters become the hunted! With the major capitals of Earth under siege by the Armor Hunters, the world's most dangerous weapon has decided to come in from the cold - and into the service of the top-secret Military Extraterrestrial Reconnaissance Outpost (M.E.R.O.)! But when one of the Armor Hunters' own stages an extraterrestrial jailbreak inside of M.E.R.O.'s fortified command center, the nanite-enhanced commando known as Bloodshot will become the last thing standing between the galaxy's most feared team of hunter-killers and a classified arsenal of secret weapons far too deadly for human hands!

I'd like to know what noun has been omitted after "the Armor Hunters' own."
Thank you in advance for your help.