 They are also taught the basic skills of their profession, such as military tactics, first aid, managing their affairs in the field, and the use of weaponry and other equipment.Training is designed to test and improve the physical fitness of recruits, although the heavy strain on the body also leads to a rate of injury.Recruits enter a binding contract of service, which may differ according to rank, military branch, and whether the employment is full-time or part-time.