The Fireteam

Twisted Insurrection again. Those five infantrymen are Incinerators - Nod flame troopers, capable of utterly wiping out large groups of infantry or seriously damaging light vehicles - including their own allies, since they explode upon death. Three yellow chevrons on each mean Heroic rank (Health regeneration, increased durability and damage).
Ironically, seconds after I took this screenshot, they got TPK'd by a booby-trapped random goods crate. To quote Funker Vogt, "They all died in friendly fire, and the flames are rising higher..."