1. A training system, the training system providing training on operation of a vehicle to a trainee, the trainee seated in the training system, the training system comprising: a computer, the computer having a storage device; a plurality of training segments stored on the storage device and accessible by the computer; one or more graphics displays; a sensor, the sensor configured to measure at least one biological indicator of stress in the trainee; software running on the computer, the software presents the training segments to the trainee, simulating operation of the vehicle under control of the trainee through operator controls, the operator controls including at least a steering device, a shifting device, and a throttle, the steering device, the shifting device, and the throttle within the training system; the software reads data from the sensor and the software calculates a stress level of the trainee from the data; the software modifies operation of the training system based upon the stress level of the trainee; and if the stress level exceeds a predetermined threshold, the software notifies a trainer, the trainer being in the location of the training system.