24 hour delay for sixth Block IIF GPS satellite via Delta IV

The United Launch Alliance (ULA) will wait 24 hours to launch the US Air Force’s sixth Block IIF GPS satellite atop a Delta IV rocket. Liftoff from Space Launch Complex 37 (SLC-37) at Cape Canaveral Air Force Station was scheduled for 20:09 local time (00:09 UTC on Friday) at the start of a nineteen minute window. However, the launch was scrubbed due to very poor weather in the local area. More

(Source: NASASpaceFlight.com - May 16)