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Today, we begin a new chapter as Northrop Grumman Innovation Systems. As we sign off, we hope you'll continue to keep up with our products and programs by following @NorthropGrumman on Facebook, Twitter, YouTube, and Instagram. Wed like to thank all of you for engaging with us and sharing our content over the years!

And we are GO for the ferry flight of the #Stargazer L-1011 carrying our #Pegasus rocket to Kwajalein Atoll! Launch of our ICON spacecraft for @nasa is scheduled for June 14th. #nasaicon

Great photo of our #Stargazer L-1011 and the #Pegasus rocket taken by @NASA_EDGE. The ferry flight has been moved one day to accommodate additional testing, but we expect the launch date to remain on June 14 from Kwajalein Atoll. #NASAICON

Operations are rolling in Vandenberg Air Force Base as our crew moved and mated the #Pegasus rocket to the #Stargazer #L1011 airplane in preparation for the June 14 launch of @nasa's Ionospheric Connection Explorer (ICON) mission. Developed, integrated and tested by our teams in Dulles, VA and Gilbert, AZ, ICON will be the newest addition to NASA's Heliophysics missions. Led by UC Berkeley, the mission will help scientists better understand the relationship between Earth's atmosphere and the space environment by studying the ionosphere. #NASAICON

#tbt to the start of our #OA9 mission! Earlier this month, our #Antares rocket lifted off from NASAs Wallops Flight Facility, sending the S.S. J.R. Thompson #Cygnus to orbit. Cygnus arrived at the International Space Station on May 24, successfully delivering approximately 7,400 pounds of supplies and science to astronauts on board. Cygnus is scheduled to stay at the station until July when it will undock from the station, complete an orbit reboost and deploy cubesats from the NanoRacks cubesat deployer on board. @nasawallops @iss

#DYK that this month, our fleet of satellites reached 1,500 years of cumulative in-orbit operational experience? To date, we have produced a total of 186 #satellites over the last 35 years, and 89 of those still remain in operation. These satellites have fulfilled missions for customers in the fields of commercial communications, #Earth and #space science, national security and commercial imaging. Fun fact: our longest operating satellite, Landsat-5, currently holds the #GuinnessWorldRecord for 'Longest-operating Earth observation satellite' after 29 years in operation. Launched in 1984, the satellite was officially decommissioned in 2013. @guinnessworldrecords

Our teams on the west coast continue to prepare for the launch of NASAs Ionospheric Connection Explorer (ICON) satellite, scheduled to launch aboard our #Pegasus rocket next month. The satellite, built at our Dulles, Virginia facility and tested at our Gilbert, Arizona facility, will study the ionosphere the zone in our atmosphere where terrestrial weather meets space weather. The ionosphere is full of charged particles that have the potential to distort or disrupt both radio communications and GPS signals. ICON will monitor the weather in this area and eventually help mitigate its effects on our communication systems. Here, our Pegasus #rocket is being prepped for integration of the satellite prior to its June 14 launch. #NASAICON

#ICYMI, we have received a contract to build two additional Joint Polar Satellite System (JPSS) spacecraft for @nasa. These weather satellites (JPSS-3 and 4) will join JPSS-2, currently being developed at our Gilbert, AZ facility. All three satellites will be operated by the National Oceanic and Atmospheric Administration (@noaa) to provide critical weather forecasting data and advance environmental and oceanographic science.

Today we honor those who have made the ultimate sacrifice for our freedom. #MemorialDay

Today we mourn the loss of @nasa astronaut Alan Bean, fourth man to walk on the moon in 1969 as a part of the Apollo 12 mission. Alan Bean, naval officer and aviator, aeronautical engineer and test pilot, was also a part of the Skylab 3 mission in 1973. After his retirement from NASA in 1981, Bean pursued an interest in painting, using his talent to depict his personal experiences in space. Ad astra, Alan Bean

Our #Stargazer L-1011 has landed at the 30th Space Wing (Vandenberg Air Force Base, Calif.) to prepare for the upcoming launch of our #Pegasus rocket, carrying the Orbital ATK-built ICON satellite for @nasa. The launch will take place June 14, from Kwajalein Atoll. #NASAICON

The crew aboard @iss has opened the #Cygnus hatch and has begun unloading cargo. This view taken from inside the Cupola shows the S.S. J.R. Thompson moments before it was grappled with the Canadarm2 robotic arm on May 24, 2018. | @nasa

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