Northrop Grumman – Page 18

Timeline for Pegasus launch of ICON satellite

November 6, 2018 Stephen Clark

Northrop Grumman’s Pegasus XL rocket will take about 11 minutes to place NASA’s Ionospheric Connection Explorer, or ICON, satellite into a roughly 357-mile-high (575-kilometer) orbit after an airborne launch off Florida’s east coast.

NASA managers clear Pegasus rocket for launch with ICON satellite

November 6, 2018 Stephen Clark

NASA and Northrop Grumman managers at the Kennedy Space Center decided Tuesday to press ahead with final preparations to launch a NASA scientific research satellite early Wednesday aboard an air-launched Pegasus XL rocket off Florida’s east coast.

Pegasus launch set for no earlier than Wednesday, but data review continues

November 2, 2018 Stephen Clark

The launch of a NASA research satellite built to probe conditions along the boundary between Earth’s atmosphere and space has been tentatively rescheduled for no earlier than Wednesday, pending the conclusion of a review of unexpected data signatures discovered on the first stage of the mission’s air-launched Pegasus XL rocket.

NASA’s Dawn spacecraft runs out of fuel in the asteroid belt

November 2, 2018 Stephen Clark

NASA’s Dawn spacecraft ran out of fuel Wednesday and stopped transmitting to Earth, ending an 11-year mission that explored the two largest objects in the asteroid belt and set several records in the annals of space history.

Q&A with Marc Rayman, chief engineer on NASA’s Dawn mission (members only)

November 1, 2018 Stephen Clark

Marc Rayman is chief engineer on NASA’s Dawn mission, which has run out of fuel after a 11-year interplanetary journey that explored Vesta and Ceres, the two largest objects in the asteroid belt between the orbits of Mars and Jupiter.

Pegasus rocket launch postponed

October 23, 2018 Stephen Clark

Continuing a series of delays keeping NASA’s Ionospheric Connection Explorer on Earth, NASA announced Tuesday that the satellite’s launch aboard an air-dropped Northrop Grumman Pegasus XL rocket will not occur as scheduled Friday.

Photos: Atlas 5 rocket lifts off with Air Force’s AEHF 4 satellite

October 18, 2018 Stephen Clark

A United Launch Alliance Atlas 5 rocket fired into the night sky over Cape Canaveral just after midnight Wednesday, carrying the U.S. Air Force’s fourth AEHF communications satellite designed to enable secure voice, video and data links between U.S. and allied forces.

Air Force’s fourth AEHF communications satellite successfully launched from Florida

October 17, 2018 Stephen Clark

A $1.8 billion U.S. Air Force communications satellite rode a United Launch Alliance Atlas 5 rocket into orbit Wednesday from Cape Canaveral, joining three similar craft perched more than 22,000 miles above Earth to ensure government leaders can remain in contact with military commanders in the worst-case scenario of nuclear war.

Video: Atlas 5 rocket blasts off with AEHF 4 satellite

October 17, 2018 Stephen Clark

The U.S. Air Force’s fourth Advanced Extremely High Frequency spacecraft launched Wednesday from Cape Canaveral on top of a United Launch Alliance Atlas 5 rocket, expanding the reach of the military’s most secure, jam-resistant satellite communications network.

Live coverage: Atlas 5 rocket lifts off from Cape Canaveral

October 16, 2018 Stephen Clark

United Launch Alliance’s 50th mission for the U.S. Air Force lifted off at 12:15 a.m. EDT (0415 GMT) Wednesday. An Atlas 5 rocket launched from Cape Canaveral with the Air Force’s fourth Advanced Extremely High Frequency communications satellite.