I remember I was in Okinawa when I first fell for the old “free barbecue trick.” There’s always some poor bastard that ends up on duty without a replacement because someone with some weight on their collar fucked up something as simple as a duty roster. And this happens more than you think.
After this little incident, I just stopped answering my door. It has helped me dodge more duty than the kid who got NJP’d seven times (Once for biting an MP dog). If you live in the barracks, never answer your door unless you know the guy. Because behind that door, lies a Marine trying to pass off his duty to you or a Marine trying to sell you some shit like lawyer insurance.
Getting tricked into surprise duty since 1775.