
The Delta IV Heavy launch vehicle used to launch Orion on Exploration Flight Test-1 (EFT-1) is assembled at the United Launch Alliance facility in Decatur, AL on Dec. 11, 2013. Part of Batch image transfer from Flickr.

The Delta IV Heavy launch vehicle used to launch Orion on Exploration Flight Test-1 (EFT-1) is assembled at the United Launch Alliance facility in Decatur, AL on Dec. 11, 2013. Part of Batch image transfer from Flickr.

The Delta IV Heavy launch vehicle used to launch Orion on Exploration Flight Test-1 (EFT-1) is assembled at the United Launch Alliance facility in Decatur, AL on Dec. 11, 2013. Part of Batch image transfer from Flickr.

The Delta IV Heavy launch vehicle used to launch Orion on Exploration Flight Test-1 (EFT-1) is assembled at the United Launch Alliance facility in Decatur, AL on Dec. 11, 2013. Part of Batch image transfer from Flickr.

The Delta IV Heavy launch vehicle used to launch Orion on Exploration Flight Test-1 (EFT-1) is assembled at the United Launch Alliance facility in Decatur, AL on Dec. 11, 2013. Part of Batch image transfer from Flickr.

The Delta IV Heavy launch vehicle used to launch Orion on Exploration Flight Test-1 (EFT-1) is assembled at the United Launch Alliance facility in Decatur, AL on Dec. 11, 2013. Part of Batch image transfer from Flickr.