Iridium 33, a satellite that was part of the Iridium satellite constellation of 66 communications satellites, was launched on September 14,1997 atop a Proton rocket.
Iridium 33 was launched on September 14,1997 atop a Proton rocket. Iridium 33 was a satellite. This satellite was part of the Iridium satellite constellation of 66 communications satellites.