Apart from being able to keep physically fit and self motivated, you need to possess good team working skills. You must be able to understand and follow orders and take initiative when needed. Your ability to stay calm under pressurizing situations, good organisational skills, and an active interest in your select trade are all essential. You will be away from family for several months and you need to stay motivated through such occasions. You also need to prepared to work round the clock and in tough conditions. It is also necessary to be a constant learner, which helps you advance in your career.