Space Domain Awareness @shell___jim
Retired USAF with 30+ years of space experience-satellite programs, space surveillance. SSA/SDA expert. Physics (M.S.) and Imaging Science (PhD). USAFA '92. Joined May 2013-
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Space Domain Awareness retweeted
WE ARE SO BACK 🇺🇸
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Space Domain Awareness retweeted
Instead of arresting the violent criminals, the police in Britain are told to arrest people who tell the truth on social media …
Instead of arresting the violent criminals, the police in Britain are told to arrest people who tell the truth on social media …
Space Domain Awareness retweeted
Version 3 Super Heavy Booster next generation test tank - August 31, 2025
Space Domain Awareness retweeted
It is pure evil to mutilate children. Prison for life.
It is pure evil to mutilate children. Prison for life.
Space Domain Awareness retweeted
Grok Code lead increased to 60% higher usage than Claude Sonnet
Space Domain Awareness retweeted
This might be one of my favorite Starship shots I've taken.
Space Domain Awareness retweeted
Space Domain Awareness retweeted
Absolutely gorgeous consolation sunset
Space Domain Awareness retweeted
Space Domain Awareness retweeted
🚀 @SpaceX's 33rd commercial resupply mission to the @Space_Station is scheduled to lift off from Florida on Sunday, Aug. 24. Check out the full timeline and learn more about the science we're sending to space: go.nasa.gov/47D8VRo
Space Domain Awareness retweeted
Aug. 19 is National Aviation Day, a celebration of Orville Wright’s birthday and all things flight. Learn how @NASAaero is working to improve air travel and make it quieter and more sustainable: go.nasa.gov/3HGBH99
Space Domain Awareness retweeted
Space Domain Awareness retweeted
Ask us anything about the new Grok-powered X Ads platform
Ask us anything about the new Grok-powered X Ads platform
Space Domain Awareness retweeted
LFGMF2025
Space Domain Awareness retweeted
BREAKING: Chess Grandmaster Hikaru Nakamura believes Grok is the best model in chess “I’m not surprised to see the results right now because Grok has always impressed me more than the others, it’s not even close actually” grokbros winning.
Space Domain Awareness retweeted
Try Valentine @v
Space Domain Awareness retweeted
Seriously 😲
Space Domain Awareness retweeted
Try it by downloading the Grok app! Use speech to guide creative image flow and then tap on any image you like to turn it into a video in 15 seconds.
Try it by downloading the Grok app! Use speech to guide creative image flow and then tap on any image you like to turn it into a video in 15 seconds.
Space Domain Awareness retweeted
UK Petition Promoter @UK_Petition
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