|Earth Pre-Federation Database - E.C.S. Constellation|
|The ECS Constellation was an United Earth freighter that was in service with the Earth Cargo Service in the mid-22nd century.
In 2153, the Constellation was attacked by pirates, and had relayed the information to other Earth Cargo Service vessels, amongst them the ECS Horizon. The Constellation was lightly armed with 2 plasma turrets.
Text from the Memory Alpha, the free Star Trek reference