Boeing – Page 49 – Spaceflight Now

Stats: Delta 4 history and backlog (updated March 30)

March 31, 2015 Justin Ray

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

Photos: More shots of Delta 4 liftoff

March 26, 2015 Justin Ray

The United Launch Alliance Delta 4 rocket roars off the pad with the Global Positioning System 2F-9 satellite. Photos by ULA.

Recap story: New bird flies for GPS navigation network

March 25, 2015 Justin Ray

Climbing away from Earth on the power of its liquid hydrogen-fueled main engine and twin solid rockets, a Delta 4 booster successfully launched a new Global Positioning System satellite Wednesday to benefit U.S. military operations and civilian society as a whole.

Photos: Delta 4’s foggy launch

March 25, 2015 Justin Ray

The 721,000-pound United Launch Alliance Delta 4 rocket launches on-time at 2:36 p.m. EDT Wednesday into a deck of low-hanging clouds over Complex 37 at Cape Canaveral Air Force Station carrying the GPS 2F-9 navigation satellite.

Video: Delta 4 lifts off

March 25, 2015 Justin Ray

A United Launch Alliance Delta 4 rocket was launched on-time today at 2:36 p.m. EDT carrying a new Global Positioning System spacecraft to advance the navigation network with every launch.

Live coverage: Delta 4 rocket launches with GPS satellite

March 25, 2015 Justin Ray

A United Launch Alliance Delta 4 rocket lifted off Wednesday at 2:36 p.m. EDT (1836 GMT) from Cape Canaveral on a mission to place into orbit a fresh satellite for the Global Positioning System.

Photos: Delta 4 awaits blastoff

March 24, 2015 Justin Ray

The United Launch Alliance Delta 4 rocket sits peacefully inside its mobile service gantry on Tuesday afternoon, one day before its scheduled launch of the GPS 2F-9 navigation satellite.

Preview: 10 months, 4 launches to finish GPS Block 2F deployment

March 22, 2015 Justin Ray

The final year of launches in the current breed of Global Positioning System navigation satellites kicks off Wednesday afternoon aboard a Delta 4 rocket from Cape Canaveral.

Photos: Next GPS satellite readied for launch

March 18, 2015 Justin Ray

The U.S. Air Force’s ninth Global Positioning System (GPS) 2F satellite, GPS 2F-9, is encapsulated in the Delta 4 rocket’s four-meter-diameter nose cone at a processing facility and then moved to the launch pad at Complex 37 for mating to its booster inside the mobile service tower.

Innovative satellites begin maneuvers with all-electric thrusters

March 17, 2015 Stephen Clark

Two ion-driven communications satellites launched from Cape Canaveral on March 1 have begun novel maneuvers using electric propulsion to reach operating posts 22,300 miles over the equator.