If you’re a bit squeamish you may want to skip the video below. In an article published by FastCompany, the magazine takes a look at the newest field training exercises for US troops that simulate real-world scenarios and injuries. The simulations look like they are for a film but it’s actually for the troops in training so that they can feel the pressure and see the gore that is involved with battle casualties. This certainly makes Piranha 3D look amateur.

Check out some more video segments at FastCompany here.