How big is Delta IV Heavy rocket? What’s the size and power of ULA Delta IV Heavy rocket? The Delta IV Heavy rocket has three Delta IV core stages together. According to the ULA website ...

The final launch! Weather permitting, United Launch Alliance's massive Delta IV Heavy rocket should be visible from Treasure Coast when it lifts off.

For comparison, United Launch Alliance's Delta IV Heavy-- the most powerful rocket launching now -- can bring 62,540 pounds to LEO and 30,440 pounds to GTO. Once the Falcon Heavy flies ...

TASS/. A Delta IV Heavy rocket has successfully put into orbit a secret payload for the US National Reconnaissance Office (NRO), the United Launch Alliance (ULA) said on its website on Saturday.