#04 – Spaceplane
In the future whenever man get tired of the earth planet he could move to space via NASA easily. NASA has announced the traveling to the space in future which is costly but, possible. The space plane is an aircraft that is constructed in such a way that it can operate in Earth’s atmosphere. To reach the space may be purely rocket-based or with the use of jet engines. There are five of the space planes that have been produced and flown to date are known as the North American X-15, Space Shuttle, Buran, SpaceShipOne and Boeing X-37.