Original sentence: Funding for the bulletin came from the KGB, while the DI ghost-wrote many of the articles.The Lourdes facility is reported to cover a 28 square mile (73 km2) area with 1,000-1,500 Soviet and then Russian engineers, technicians, and military personnel working at the base.The Soviets also collaborated with the DI to assist CIA defector Philip Agee in the publication of the Covert Action Information Bulletin
Edited sentence: The Lourdes facility is reported to cover a 28 square mile (73 km2) area with 1,000-1,500 Soviet and later solely Russian engineers, technicians, and military personnel working at the base.The Soviets also collaborated with the DI to assist Central Intelligence Agency defector Philip Agee in the publication of the Covert Action Information Bulletin