Medical training is an important part of the practice of every soldier and civilian. We never know when we will use our first aid knowledge. Part of this practice is also appropriate medical equipment incl. trauma simulators.
Nowadays trauma simulators can be absolutely hyper-realistic. They enabling to practice multiple realistic traumatic scenarios. Some trauma simulators even feature practi-blood bags, where you can very realistically simulate arterial bleeding.
Many of these trauma simulators are designed mainly for military and police units, and thus featuring gunshot wounds, etc. Injuries, whose treating can be practiced using these trauma simulators, include also places on the body that are not very easy to treat. Whether it is gunshot wound or bleeding groin, it is always better to know something in advance about the ways of treating these injuries.