According to http://spaceflightnow.com/2015/03/27/delta-4-rocket-evolving-the-upgraded-main-engine/, this flight marks the last use of the original RS-68 and the different DIV-M cores. Jim might be able to confirm this...
"Deneb patch" of the launch team
Quote from: Lewis007 on 04/07/2015 07:26 am"Deneb patch" of the launch teamThat is of the spacecraft processing team