Delta 4-Heavy is prepared to be launched from Vandenberg Air Force Base – Spaceflight Now


Live coverage of the United Launch Alliance Delta 4-Heavy rocket countdown and launch with NROL-71 payload from the National Reconnaissance Office. Text updates will appear automatically below. Follow us on Twitter.

note: We cannot provide the coverage you expect for this launch because of a decision from United Launch Alliance. Learn again.

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ULA's live video coverage of the Delta 4 launch will begin January 19 at 10:45 am PST time (1:45 pm EST; 1845 GMT).

A note about our coverage:

For decades news media has been equipped with audio feeds to allow for backward coverage and increase in U.S. launch vehicles. We were very disappointed to find out on Friday that United Launch Alliance had decided to change this practice for its launch.

A spokesman for ULA said the company had conducted an evaluation of the provision of audio channels and had decided to stop it.

For the current mission the company will allow audio feeds to be released two hours before taking off. This will prevent coverage independently from the important refueling phase of the countdown.

After this launch there is no disruption, clean audio from the launch control center will be released to the news media in realtime. Unless an alternative is offered, the only source of information about the countdown will be from ULA's corporate communications department through its website and social media account.

Spaceflight Now hopes that United Launch Alliance will reverse this decision, but if not, we will no longer be able to offer accurate, timely and impartial coverage of the ULA launch that you expect.

This decision by United Launch Alliance did not affect our reach from other launch companies.


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