Atlas V 521

United Launch Alliance

Manufacturer

United Launch Alliance

Family

Atlas, Atlas V

Maiden flight

2003-07-17

Length

58.3 m

Diameter

3.81 m

Payload to LEO

13,490 kg

Payload to GTO

6,475 kg

Launches

Successful

Atlas V is the fifth major version in the Atlas rocket family. It is an expendable launch system originally designed by Lockheed Martin, now being operated by United Launch Alliance (ULA), a joint venture between Lockheed and Boeing.