The first most expected display flight of a new commercial spacecraft; SpaceX's Dragon capsule has been postponed to Wednesday at the initial for the reason that there was a crack in an upper-stage rocket engine nozzle.

It was planned that on Tuesday morning SpaceX to launch Dragon on top of its Falcon 9 rocket from Cape Canaveral Air Force Station. However during a Monday a study of the photos of the rocket was done, engineers found a 3-inch-long crack in a fuse joint of the nozzle in the rocket's second phase.

NASA news has disclosed that there are different options considered by SpaceX such as fixing the crack or transporting a replacement part from SpaceX headquarters in Southern California.

SpaceX President, Gwynne Shotwell alleged that to change the nozzle of the rocket, its launching has to be shifted to Friday or Saturday.

This will be the second flight of Falcon 9 and the first was intended for an active Dragon capsule. It is designed to carry up to 13,000 pounds of cargo to the worldwide space station.

After launching, this Dragon is censuring to track the Earth as many as four times so as to test navigation, communications and other components.