The Boeing 700s are very capable of handling duties in the commercial and military world. The Boeing 700s are capable of handling many tasks in the commercial and military world. With the introduction of the 707 in the late fifties to the most recent 777 in the early nineties the, 700s have dominated the commercial world for five decades. They are a line of aircraft that are capable of handling many roles from basic civilian transport to various military needs. They are the people movers of the 20th century. Each with a large carrying capacity combined with the range of a jet aircraft they have moved more people longer distances than what was once thought possible. Boeing has truly produced some of the greatest aircraft in history. The various duties that the 700s perform are quite extraordinary. It all started in the fifties. There was a growing demand for a commercial airliner that could move a greater number of people farther and faster. The age of the jet engine still had not reached to civilian transportation. There was still a fear of the jet because of lack of reliability, but with the advancement of technology the jet engine now had become more even reliable than the piston engine. The need for a jet engine powered plane was growing. Airlines still were looking for a plane that could cross the Atlantic Ocean without a refueling stop. The Lockheed Super Connies, a piston powered plane, were able to cross the Atlantic Ocean with out stopping on the eastbound leg, but they had to stop in Gander, Newfoundland to refuel on the westbound leg. The airlines desired a plane that could easily travel the Atlantic with out a stop. The piston engine just wasnt going to do it, the jet engine was the answer to the question. Boeing realized this and moved to look for a design for a jet powered plane. At first Boeing was looking to modify existing aircraft with jet engines to perform the tasks. They quickly realized that they needed a whole ne...