NASA astronaut Rex Walheim excited about Orion test flight

For the second time this week, United Launch Alliance has delivered an Air Force payload to one of its Cape Canaveral pads for liftoff in July.

Here’s a look by the numbers of the previous Delta 4 flight history and the remaining flights of the rocket named Delta.

NASA’s Orion spacecraft took a road trip to the launch pad Tuesday night, arriving at Cape Canaveral’s Complex 37 where a Delta 4-Heavy rocket awaits flight of the new capsule on Dec. 4.