This visibility graphic provided by United Launch Alliance shows when spectators can expect to see the Delta IV Heavy rocket during the NROL-70 national security mission.

United Launch Alliance will send its Delta IV Heavy rocket on its final flight on Tuesday, April 9. The rocket was supposed to launch last month, but the liftoff was scrubbed with minutes to go ...

Delta IV Heavy is a massive rocket and will likely be seen, again, weather permitting, in parts of Jacksonville (see ULA graphic above). Sangalang is a lead digital producer for USA TODAY Network ...

Delta IV Heavy, we're ready for your fiery − and final − show. The last launch ever for United Launch Alliance's powerful rocket is one you won't want to miss. After a launch attempt March 28 ...

Beyond 240 seconds, Delta IV Heavy should see center booster separation and main engine start, according to the ULA graphic. 9: Launch + 270 seconds , most of central and East Coast of Florida ...

Beyond 240 seconds, Delta IV Heavy should see center booster separation and main engine start, according to the ULA graphic. 9: Launch + 270 seconds , most of central and East Coast of Florida ...

The Delta IV Heavy will certainly have a legacy of launching national security missions, along with NASA's Orion spacecraft on an orbital test flight in 2014 and NASA's Parker Solar Probe in 2018 ...

The final launch of the Delta IV rocket is set to launch this Saturday at 2:53 pm at the Vandenberg Space Base Force after 63 years -- the end of the Delta rocket era.

The Delta IV Heavy, a rocket that briefly bursts into flame just before it lifts off, is set to launch for the last time soon. Credit... Supported by By Kenneth Chang April 2: This article was ...