CAPE CANAVERAL, Fla. - NASA tried again Friday to launch a Delta IV rocket from Cape Canaveral. But the launch was scrubbed due to bad weather.
The mission was scrubbed Thursday night due to weather.
When the rocket finally gets off the ground, it will carry the first set of twin satellites for the U.S. Air Force into space.
The remaining two satellites will ride an Atlas V into space next year. When completed, the satellite constellation will monitor geosynchronous satellites.
The rocket launch was also scrubbed Wednesday because of an issue with the ground support equipment environmental control system.