When you execute something asynchronously, you can move on to another task before it finishes. That being, said, in the context of computers this translates into executing a process or task on another thread.. A thread is a series of commands--a block of code--that exists as a unit of work.
Behold, the largest plane in the US Air Force. At 222 feet across, almost 300 feet long, and 65 feet tall at its tail, Lockheed Martin's C-5 Galaxy is the largest transport aircraft in the US Air Force. With a cargo hull 121 feet long and 19 feet across, the C-5 is a flying warehouse that can carry a combat-ready military unit or deliver necessary supplies anywhere in the world.
An-225, largest plane in the world. The An-225 is quoted as having a maximum takeoff weight of over 1.3 million pounds (600,000 kg). The FAI gives credit for a slightly lower weight of 1.12 million pounds (508,200 kg), the record set by an An-225 in 1989 for the largest mass ever lifted by an airplane to an altitude of 6,500 ft (2,000 m).