Warfare is a very important element of a country's survival. Without it, countries would be vulnerable to external and internal attacks, which is why developments in warfare are rampant nowadays. United Nations Security Council spends more than ten billion dollars every year to develop their weapon arsenals to make sure that no rogue state could take over the relative peace and freedom in the world nowadays. Because of this, there is a continuous training of young men and women to be members of the armed forces of United States, China, Russia, France and United Kingdom. These trainees undergo rigid military and intellectual training which develop them as officers and army combatants. Most of the trained combatants are sent in different parts of the world to command ships, tanks and jet fighters. However, there is another discipline which the armed forces of these countries teach to its students – how to fly a helicopter. To learn for to fly a helicopter, one must have a helicopter flight instruction first. Without the helicopter flight instruction, a person would never learn how to fly a helicopter. Some people think that flying helicopters is not as awesome as riding a tank of maneuvering a battle ship. However, everyone must take note that helicopters are the first ones to be sent in dangerous life and death missions such as the one in Iraq and Afghanistan to drop troops from the sky. Most helicopter flight teaching manuals are made of the best soldiers the world has ever known. These helicopter flight instruction manuals make or unmake almost every mission in the world. If the pilot does not have enough training, he depends on the helicopter flight instruction manual. If the team is in danger or is faced in an unusual air situation, they depend on helicopter flight instruction manual. Without the helicopter flight instruction, a lot of missions in different places of the world would have failed. The world will never be safe from internal threats and countries will never be free from external threats. There are even some people who use helicopter flight instruction manuals just so they could learn how to fly helicopters. Some of them want to learn just for the hell of it and some are so much entertained by the sky. Perhaps it is really important to learn how to fly helicopters. Nobody would really know when an accident will strike. Most helicopter instruction manuals are available in the internet. The detailed ones could be found in most bookstores.