In the world of prescribed burns, a red card is the certification that someone is fully trained and capable of participating in burns. You will qualify for a red card if you take the basic-32 training series, and pass a physical test on the 'strenuous' level. (it's not really that bad, and is just designed so that if you're put on the fireline, you can take care of yourself.) The most common option is walking 3 miles with 40 pounds of weight in 45 minutes, but options for a running test, or a 'step test', are also sometimes available