Delta 4 – Page 10 – Spaceflight Now

April 25, 2024

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Photos: Launch pad gantry retracted from Delta 4 rocket

March 18, 2017 Justin Ray

The 330-foot-tall mobile service tower is rolled away from the United Launch Alliance Delta 4 rocket at Cape Canaveral’s pad 37B in the hours before the scheduled liftoff. The 9-million-pound gantry was retracted the length of a football field in preparation for launch of the Air Force’s WGS 9 communications satellite into Earth orbit.

Live coverage: Delta 4 countdown and launch journal

March 17, 2017 Justin Ray

The United Launch Alliance Delta 4 rocket has taken off tonight from Cape Canaveral, headed for space to deploy a satellite bought by allied nations to bolster the U.S. military global communications infrastructure.

Preview: U.S. military satellite purchased by coalition forces to be launched Saturday

March 16, 2017 Justin Ray

Signaling strength in the international cooperation between the U.S. military and allied nations, a satellite funded by five countries will be launched by the Air Force on Saturday to codify a global communications deal.

Timeline: Delta 4/WGS 9 launch events

March 16, 2017 Justin Ray

Follow the Delta 4 rocket’s ascent into orbit from Cape Canaveral’s Complex 37 launch pad to deploy the Wideband Global SATCOM 9 communications satellite. Liftoff is scheduled for Friday at 7:44 p.m. EDT (2344 GMT).

Delta 4’s military launch bumped by commercial SpaceX flight, but good weather expected

March 15, 2017 Justin Ray

With the SpaceX scrub earlier this week and the time needed to convert the Eastern Range over to the Delta 4, liftoff of that rocket carrying an internationally-purchased military communications satellite for the Air Force has been bumped to Saturday evening.

Favorable weather outlook for Friday’s twilight Delta 4 launch from Florida

March 14, 2017 Justin Ray

Air Force meteorologists are expecting good weather to launch the Delta 4 rocket with a military communications satellite when the sun goes down Friday evening at Cape Canaveral.

Multimedia: WGS 9 readied for launch

March 12, 2017 Justin Ray

This collection of photographs and videos shows the Wideband Global SATCOM communications satellite No. 9 being encapsulated in the United Launch Alliance Delta 4 nose cone and hoisted atop the rocket for launch March 17 at 7:44 p.m. EDT (2344 GMT).

Delta 4 receives communications satellite payload for launch into space

February 24, 2017 Justin Ray

A military communications satellite, built with international funding from Canada, Denmark, the Netherlands, Luxembourg and New Zealand, has been stacked atop a Delta 4 rocket to launch into a worldwide information-relay network operated by the U.S.

Atlas 5 and Delta 4 achieve milestones in parallel on the same morning

January 12, 2017 Justin Ray

Critical operations were completed this morning by United Launch Alliance at Cape Canaveral to prepare two rockets for upcoming flights into space.

Multi-national contribution to U.S. military network delivered for launch

January 11, 2017 Justin Ray

The next satellite for the U.S. military’s communications network, this one purchased by five international allies, has arrived in Florida for its launch in March atop a Delta 4 rocket.