Marlowe shivered a little at fighting off the shock, and took another drag before field-dressing the fag and cramming the spent filter in his pocket.  Best not to leave DNA behind, just in case.  "What we need are some fuckin gas masks, then, right..?"  He nods, gives one last look for any reinforced clothing... safety gloves, body armor... anything... and doesn't find it.  And no gas mask.  "They're not just gonna let me walk outta here with this hardware, I'm sure... but maybe if we go fast enough..."  he shakes his head, thumbs the safety off on the machine gun.  "Lead the way."