Atlas V: OrbitalATK Cygnus OA-7 (S.S. John Glenn)


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An enhanced Cygnus with 4 segments, this launch was delayed due to hydraulic issues with the Atlas V.

 

Cargo: 3,502 kg

 

 

 

10087-orbital_atk_atlas_v_oa7-michael_ho

 

http://www.orbitalatk.com/news-room/feature-stories/OA7-Mission-Page/default.aspx?prid=180
 

Quote

Mission Update - March 9, 2017

Orbital ATK is honored to name the OA-7 Cygnus cargo delivery spacecraft after former astronaut and U.S. Senator John Glenn. Glenn, the first American to orbit Earth, was a lifelong pioneer of human spaceflight. Glenn paved the way for America’s space program, from moon missions, to the space shuttle and the International Space Station. His commitment to America's human space flight program and his distinguished military and political career make him an ideal honoree for the OA-7 Mission. Glenn passed away on December 8, 2016 and is survived by his wife of 73 years, Annie, and their children, John and Carolyn.

 

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Sounds right to me; not to mention that RD-180 engine miscue March 2016 on Cygnus OA-6. It came *very* close to a full failure due to a fuel mixture ratio valve malfunction. 

 

http://spaceflight101.com/cygnus-oa6/atlas-v-mrcv-valve-cuplrit-in-oa6-anomaly/

 

This one sounds like a bad actuator, maybe for thrust vectoring control.

Edited by DocM
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Well well, more schedule certainty and unmatched reliability at work :p Don't see ULA posting many of those flashy adds lately though, hehe. I wonder if SpaceX can have their slot back :)

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