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    Green Run Update: Tanking Complete for Rocket Hot Fire Test

    SLS Core Stage flight tank

    Engineers have completed tanking for the hot fire test of NASA’s Space Launch System (SLS) rocket core stage at the agency’s Stennis Space Center, and the countdown is proceeding normally. The liquid hydrogen tank holds 537,000 gallons of liquid hydrogen, cooled to minus 423 degrees Fahrenheit. The liquid oxygen tank holds 196,000 gallons of liquid oxygen, cooled to minus 297 degrees Fahrenheit. After …

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    Green Run Update: Test Teams Gives “Go” to Proceed with Tanking 

    SLS Core Stage 101 Infographic

    The test team conducted a pre-test briefing in the Test Control Center at the B test complex at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, and gave a “go” to proceed with testing and to fill the propellant tanks.  Over the next several hours, the teams will monitor the systems and load more than 700,000 gallons of cryogenic, or supercooled, liquid oxygen and …

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    ISS Daily Summary Report – 3/17/2021

    Payloads Antimicrobial Coatings (AC) Touch: Per standard procedure, the crew touched both the coated and uncoated coupons for this long-term investigation. Boeing Environment Responding Antimicrobial Coatings tests an antimicrobial coating on several different materials that represent high-touch surfaces. Some microbes change characteristics in microgravity, which could create new risks to crew health and spacecraft systems …

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    Green Run Update: Hot Fire Exposes Core Stage to Spaceflight Stresses

    NASA's Artemis logo. Credit: NASA

    During NASA’s Green Run hot fire test, the team will be especially interested in several key operations when testing the Space Launch System (SLS) rocket core stage under conditions it may experience during a variety of deep space missions. Green Run, an end-to-end system test of the core stage with Artemis I flight hardware, will …

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    Maintenance Tasks Feature Prominently Mid-Week for Expedition 64

    NASA astronaut and Expedition 64 Flight Engineer Michael Hopkins is pictured during a spacewalk on March 13, 2021, servicing communications gear on the outside of the International Space Station's Columbus laboratory module. Credits: NASA

    The crew of Expedition 64 took time to catch up on maintenance tasks for the International Space Station during a week bookended by some major activities: a spacewalk including NASA astronauts Victor Glover and Michael Hopkins the previous Saturday and a Soyuz relocation maneuver coming up on Friday. NASA astronaut Shannon Walker worked with Astrobee, a technology demonstration …

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    NASA Announces Lunar Delivery Challenge Winners

    An illustration of astronauts on the Moon.

    With the Artemis program, NASA will send the first woman and next man to the surface of the Moon, construct a lunar orbiting outpost, and establish a sustainable presence. This will require deliveries of supplies and equipment to the lunar surface, but how to unload the cargo once it arrives is an open question. NASA …

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    ISS Daily Summary Report – 3/16/2021

    Payloads Combustion Integrated Rack (CIR) / Advanced Combustion via Microgravity Experiments (ACME): The crew performed the steps necessary to lubricate the quick disconnect (QD) for the gas chromatograph argon gas bottle. They also replaced the N2/O2 gas bottle at manifold 2 and installed an ethane fuel bottle at the manifold 4 location. This was performed …

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    Green Run Update: Power Up Started for Hot Fire Test

    NASA's Artemis logo. Credit: NASA

    Engineers have initiated power up of the flight computes and avionics for the Artemis I core stage. This begins the countdown for the hot fire test with the core stage of NASA’s Space Launch System (SLS) rocket scheduled for Thursday, March 18. Before the test, the management team in the Test Control Center at the …

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