This is how you decontaminate a 'slimed' helicopter
If you hear of something getting “slimed,” you might be thinking about the green slime that has been a standby of Nickeloeon for decades. Well, if you’re talking to grunts, the word “slimed” can be something much more sinister.
To wit, when military personnel talk about something being “slimed,” it means that somebody’s used chemical, biological, or nuclear weapons and the vehicle or gear have been contaminated. Or, in the vernacular, the situation – or quite possibly, the entire world – has gone to hell in the proverbial handbasket.
Okay, state of the world aside, there is a more immediate problem. Now those vehicles and gear need to be decontaminated. The Mission Oriented Protective Posture gear, including that chemical suit, has saved your life – if you got it on in time. But you can’t stay in that hot, uncomfortable suit forever. But some chemical weapons can last a long time. Mustard gas is particularly persistent, and was used in an ISIS attack on American troops in September 2016.
So, you need to decontaminate the stuff that got slimed. Now, according to the Organization for the Prohibition of Chemical Weapons, one of the most effective tools is to use water and detergent with perborates. It also helps if the water is hot. The equipment is then washed down.
You can see some Marines practice their decontamination drills on the chassis of an old helicopter in the video below. Note the protective gear.