Both Battalions employ a black-on-green variant of standard forest camouflage, regardless of actual terrain.

Per FM: Merc (revised) page 72.

Other references:


The Destructors’ insignia is a hand holding a mace aloft, set against a white field. The hand varies with the two battalions, appearing green and four-fingered for Harcourt’s Aliens, and distinctly pink and human for Drummond’s Destroyers. Per FM:Mercenaries Revised, page 72.