Delta 4 – Page 15 – Spaceflight Now

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Weather 40 percent ‘go’ for Delta 4-Heavy

June 6, 2016 Justin Ray

After tropical weather passes through Florida to start the week, meteorologists say there is a 40 percent chance of acceptable conditions for the United Launch Alliance Delta 4-Heavy rocket to fly Thursday from Cape Canaveral with a reconnaissance satellite payload for the U.S. government.

Upcoming Delta 4-Heavy launch back on track after payload-related delay

June 2, 2016 Justin Ray

A new launch date has been established — June 9 — for the Delta 4-Heavy rocket to carry a classified satellite into space for U.S. national security needs.

Delta 4-Heavy launch postponed by unspecified payload issue

May 27, 2016 Justin Ray

Payload readiness has delayed next weekend’s planned Delta 4-Heavy rocket launch for the U.S. National Reconnaissance Office.

Photos and video: Payload mated to Delta 4-Heavy rocket for upcoming launch

May 24, 2016 Justin Ray

Shielded from view within the protective rocket nose cone, a covert surveillance satellite has been mounted atop a Delta 4-Heavy rocket for launch June 4.

New lineup spelled out for upcoming Atlas 5 rocket launches from the Cape

May 3, 2016 Justin Ray

The revised Atlas 5 rocket firing order includes two national security missions this summer before launching NASA’s daring asteroid sampler mission in September as originally planned.

Delta 4-Heavy passes countdown rehearsal for upcoming NRO launch

April 15, 2016 Justin Ray

Successfully put through its countdown paces in a critical pre-flight test Thursday, America’s largest rocket currently in service moved closer to a June launch for the U.S. intelligence community.

Delta 4-Heavy goes to launch pad for national security flight

March 8, 2016 Justin Ray

Rolling toward a mid-May deployment of a clandestine spy satellite, United Launch Alliance’s triple-body Delta 4-Heavy rocket moved from its Cape Canaveral assembly building to pad 37B yesterday.

Photos: More Delta 4 launch shots

February 11, 2016 Justin Ray

The United Launch Alliance Delta 4 rocket blasts into the predawn skies at Vandenberg Air Force Base with the NROL-45 payload for the U.S. National Reconnaissance Office.

Photos: Delta 4 launches on secret NROL-45 mission

February 10, 2016 Justin Ray

A collection of pad photos from the United Launch Alliance Delta 4 rocket flight to deploy the NROL-45 spy satellite payload for the U.S. National Reconnaissance Office.

Delta 4 goes against the grain to backwards orbit for spy bird

February 10, 2016 Justin Ray

Soaring in fine fashion before daybreak, a United Launch Alliance Delta 4 rocket maneuvered a new spy satellite into a unique retrograde orbit Wednesday morning to join an expanding constellation of radar-imaging spacecraft.