CAPE CANAVERAL, FL - The launch of a United Launch Alliance Delta 4 Heavy rocket with a top secret payload was delayed today when problems with ground handling equipment prevented launch crews from being able to fuel the vehicle on time. Additionally, the weather forecast deteriorated throughout the day, with high winds threatening to exceed limits by launch time.

READ: LAUNCH WEATHER FORECAST
READ: LAUNCH HAZARD AREA
READ: RESTRICTED AIRSPACE


The launch, carrying a National Reconnaissance Office payload has been rescheduled for Saturday, January 17 at he beginning of a 4-hour window that opens at 7:33 p.m. EST.

The primary reason for rescheduling the launch on Saturday is the current weather forecast. The forecast for Friday predicts a 70 percent chance of high winds exceeding both Mobile Service Tower roll and launch criteria. The forecast Saturday significantly improves to only a 20 percent chance of weather violating launch criteria.

Concerning the gaseous nitrogen relief valve issue associated with the launch pad ground support equipment, mission managers state the valve will be fully repaired and mission capable to support this launch attempt.

This afternoon, the 330 foot tall mobile service tower was moved back into position around the rocket to protect it from the weather. Mission managers then met to discuss when the next launch attempt will be made.

(SpaceflightNews.net / Space Media Corporation)
 
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