Highguard, Salvation Elite
From Destinypedia, the Destiny wiki
Highguard, Salvation Elite are a class Elite of Fallen from the House of Salvation. Among their ranks are Captains, Vandals and Marauders, in which the Captains wield a Shock Rifle, while the Vandals and Marauders wield a Molten Welder and Shrapnel Launcher.
They appear in the Asterion Abyss apart of the Salvation paltoon and are required to be defeated in order to lure out their commander Elenak, Salvation Elite.