Photos: 200th Atlas-Centaur launches MUOS 3

The preliminary weather forecast for Tuesday evening’s Atlas 5 rocket launch carrying a Navy communications satellite predicts a 60 percent chance of acceptable conditions, with thick clouds the main threat against flying at 7:43 p.m. EST as scheduled.

A Range problem gets resolved and the countdown resumes for liftoff of the United Launch Alliance Atlas 5 rocket with the Navy’s MUOS 3 mobile communications satellite.

The sophisticated U.S. Navy mobile communications satellite to launch Jan. 20 has been wrapped up in the Atlas 5 rocket’s nose cone for the holidays