Earlier this morning, the United Launch Alliance tower used to prepare the Orion spacecraft for liftoff was moved away. You can watch the rollback below:
Mobile Service Tower rollback from NASA Orion Spacecraft on Vimeo.
The United Launch Alliance Delta IV Heavy rocket with NASA’s Orion spacecraft mounted atop is seen here at Cape Canaveral Air Force Station's Space Launch Complex 37, Florida.
Update in pictures there:
The second stage issue and boat in the range. Delay possible, but 2 hours launch window gives flexibility. This delay is not due to technical or weather problems for launch. It's on a hold due to a boat in range of launch
- New launch time set for 7:17 a.m EST, but it has been delayed again because of wind, as shown in the picture below which show the 1-minute peak wind speed measured at 230-ft above pad 41.
- 7: 46 am EST: New T-0 of 7:55 am EST has been decided
- 7: 46 am EST: New T-0 of 7:55 am EST has been decided
- 7: 43 am EST: Hold hold hold again ... launch delayed
- 8: 16 am EST: New T-0 8:26 am EST, the launch will be for today
- 8: 16 am EST: New T-0 8:26 am EST, the launch will be for today
- 8: 24 am EST: HOLD AGAIN . Launch team reports the rocket's fill and drain valve did not close.
- 8:39 am EST: The technical problem seems to come from the valves. Fill-&-drain valves on 3 core boosters will be cycled open and closed to see if that solves the problem.
- 9:44 am EST: Launch of the Orion mission scrubbed for today,if the valve issue can be fixed today, NASA will try again tomorrow.
- 9:44 am EST: Launch of the Orion mission scrubbed for today,if the valve issue can be fixed today, NASA will try again tomorrow.
Live launch coverage of Orion begins on NASA TV at 4:30 a.m. EST with the link below: