Technology going to another level

Air Force bosses have revealed they hope to have a hypersonic plane capable of crossing countries in minutes by 2023.

Several tests of hypersonic projectiles have already been carried out.

Air Force Chief Scientist Mica Endsley toldMilitary.com that the Air Force and DARPA, the Pentagon's research entity, plan to have a new and improved hypersonic air vehicle by 2023.

This will be a great development.