Delta IV Heavy
VANDENBERG AIR FORCE BASE, Calif. -- Lt. Col. Brady Hauboldt, the 4th Space Launch Squadron commander, talks to the media about the Delta IV Heavy, showing the tip of the rocket here Tuesday, Feb. 23, 2010. The Delta IV is scheduled to launch in December 2010. The Delta IV Heavy will be the largest rocket to ever launch from Vandenberg. (U.S. Air Force photo/Airman 1st Class Andrew Lee)