The Delta IV Heavy is the largest of the Delta series, packing the punch of three rocket boosters instead of the usual one.

Delta 4型重型运载火箭是Delta系列中最庞大的，它配备了三支火箭推进器，而一般型号只有一支。

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The Delta IV Heavy is the largest of the Delta series, packing the punch of three rocket boosters instead of the usual one.

Delta IV重型运载火箭是Delta系列中最大的，配备三个助推火箭。

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Viewers who were able to watch the launch on television could see the lift-off from the perspective of Odyssey's Delta II rocket, which had two video cameras attached to its 2nd stage.

能够在电视上观看发射情况的观众可以看到奥德赛从德尔塔II火箭发射升空的远景。火箭的第二级上安装了两台报像机。

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Neither the House nor the Senate ever specifically gave the green light to using a Delta rocket for the planned test mission.

WSJ: Lockheed Martin Sees Space Capsule Test Flight in 2013

The launch of NASA's Deep Space 1 aboard Boeing Delta 7326 rocket is scheduled for Cape Canaveral, Florida.

CNN: Saturday,

General Dynamics, which built GeoEye-1, has had no problem with its last 10 satellites, while Boeing 's Delta 2 Rocket, set to carry GeoEye-1 into orbit, has a track record of 70 successful launches.

FORBES: In The Beltway Orbit: GeoEye