A Weak Briz: Engine Shortfall Likely Caused Satellite Losses

The Proton-M thunders into the darkened Baikonur sky on Monday evening, beginning what should have been a nine-hour journey to geosynchronous orbit for Telkom-3 and Ekspress-MD2. Despite the satisfactory performance of the rocket itself, the Briz-M upper stage apparently malfunctioned and has left both satellites stranded in useless orbits. Photo Credit: Roscosmos

A Russian […]