MOSCOW, July 23 - The international Sea Launch company has signed an agreement with the U.S. satellite operator EchoStar Satellite Services for the launch of three communication satellites.

A Sea Launch statement obtained by Interfax-AVN on Friday does not name the date of the satellite launches.

It says that the satellites will be carried by the Russian-Ukrainian Zenit-3SL launch vehicle with the DM-SL upper stage from the Odyssey floating platform in the Pacific Ocean.