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Hot air (2/3/23)
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Todayâs newsletter: đ PRC spy balloon đŁď¸ A historical observationđ Payloadâs picks
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Whatâs Up With That Spy Balloon???
On Thursday, the Pentagon announced that it is tracking a high-altitude surveillance balloon over the continental US. The balloon is suspected to be Chinese in origin. Based on the fact patterns, weâre not really rushing to conclusions when we say Washington has a high level of analytic confidence that the balloon is definitely Chinese in origin.
The US says it has engaged with the Peopleâs Republic of China (PRC) âwith urgency, through multiple channels.â In a statement Thursday, the Canadian Armed Forces noted that itâs also monitoring âa potential second incident.â
âWe have no intention to violate other countriesâ sovereignty and airspace,â Chinaâs Foreign Ministry said Friday in Beijing. âWe are gathering and verifying the facts. We hope the relevant parties will handle the matter in a cool-headed way.â
What we know so far: The mysterious white orb, as TIME referred to it, entered continental US airspace earlier this week. The PRC balloon, as Payload will refer to it, was spotted and reported by several people in Billings, Montana, on Tuesday.
The PRC balloon is flying in the stratosphereâwell above commercial air trafficâwhich would make it difficult to see with the naked eye. But itâs also said to be the size of three school buses.
Flight path: The vessel flew over the Aleutian Islands, through Canada, and is now somewhere over the northern lower 48. Hereâs meteorologist Dan Satterfield with some excellent sleuthing:

Precedent: This isnât the first time this has happened. Whatâs different now is that this balloon is hanging out over the US for a longer time.
Payload: The Pentagon didnât divulge too many details. But based on what we do know, the balloonâs technology bay seems to include some sort of ISR (intelligence, surveillance, and reconnaissance) payload, and it isnât carrying any weapons systems. The PRC balloon âdoes not present a military or physical threat to people on the ground,â Brig. Gen. Pat Ryder told the Pentagon press corps on Thursday.
Responses: Washington is tracking and monitoring the situation closely. âOnce the balloon was detected,â Ryder said, âthe US government acted immediately to protect against the collection of sensitive information." What exactly that entails we will leave to readersâ imaginations.
The Pentagon scrambled fighter jets at one point to get a closer look, and has also briefed POTUS on military responses. Shooting the balloon down is off the table, defense officials said, as the risk of using kinetic force could endanger civilians on the ground.
Why even risk it? âCurrently, we assess that this balloon has limited additive value from an intelligence collection perspective,â a senior US defense official said Thursday.
Last year, the US intelligence community noted that Chinaâs fleet of ISR satellites trails only that of the US. âChina employs a robust space-based ISR capability designed to enhance its worldwide situational awareness,â the DoD told Congress last year. Chinaâs ISR fleet consisted of 260+ birds at the end of 2021, a near-doubling over its 2018 orbital total.
So, what next? The US government will presumably provide the public with regular updates. Now that the catâs out of the bag, weâll also be watching to see what open-source intelligence (OSINT) analysts are able to uncover.
Share this with your OSINT researcher friends and get them on the case:
Re: Above Story...
Isn't this something we did in the 1940s and 50s, before we had these things called satellites?
â brianweeden (@brianweeden)
12:45 PM ⢠Feb 3, 2023
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In Other News
NASAâs Nicole Mann and JAXAâs Koichi Wakata completed a nearly seven-hour spacewalk Thursday to install power upgrades on the ISS. See a pic from the EVA below.
SpaceX launched its 200th successful mission Thursday and deployed 53 more Starlink satellites to orbit.
Nearly 70% of Falcon 9 missions have used previously flown boosters, the company says.
Tim Ellis says Relativity is prepping for an upcoming static fire and will then be ready to launch Terran 1 shortly thereafter.
Polish satellite manufacturer SatRev has signed on for additional launches with Virgin Orbit ($VORB).
The launcher also disclosed this week that it raised an additional $10M from Richard Branson.
Curiosity has discovered a metallic meteorite on Mars.
Payload's Picks
âď¸ Hypersonics 101: In Pathfinder #0033, we sit down with Hermeus CEO and cofounder AJ Piplica to discuss the startupâs Chimera engine, its turbojet â ramjet mode transition, why planes donât fly faster, and hypersonic air travel. Listen via web, Apple, and Spotify, or watch the convo by clicking the link below.
đ Indian Space Progress: Jatan Mehta, who pens Moon Monday, has launched another newsletter: Indian Space Progress. He bills the monthly briefing as the âworldâs only newsletter dedicated to covering all of Indian space.â Itâs an instant subscribe from usâyou should check it out too.
đ Chart toppers: Here were the three most-read stories on our website last week:
đŞď¸ Spinoffs: In the latest edition of her weekly Parallax newsletter, Rachael looks at NASAâs annual report on technologies developed for space that have found commercial applications and everyday usage on Earth. Subscribe to Parallax using the button below so you never miss another edition:
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The View from Space

Image: NASA
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