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NASA installs SpaceX-delivered docking adapter for Crew Dragon, Boeing Starliner missions

A story in three parts: IDA-3 is installed in Cargo Dragon, Cargo Dragon arrives at the ISS, and IDA-3 is installed on the ISS. (NASA)

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Launched on July 25th, SpaceX’s CRS-18 Cargo Dragon successfully docked with the International Space Station (ISS) a few days later, delivering a major piece of space station hardware in its unpressurized trunk.

Known as International Docking Adapter 3 (IDA-3), the docking port will quite literally open the door for future commercial missions to the space station. Some 25 days after arriving at the ISS, NASA astronauts Nick Hague and Andrew Morgan performed a six-hour spacewalk (also known as an extra-vehicular activity or EVA) on August 21st, over the course of which they successfully installed IDA-3 on the outside of the space station.

On Monday, August 19th, IDA-3 was extracted from Cargo Dragon’s expendable trunk using Canadarm-2 and stored a few feet away from the Pressurized Mating Adapter 3 (PMA-3) on the station’s Harmony module. The PMA-3 is a leftover from the days of Space Shuttle and has thus been unused since 2011 – IDA-3’s installation means that the old hardware will be able to finally return to operational use.

NASA astronaut Christina Koch poses for a portrait with Andrew Morgan and Nick Hague in their U.S. spacesuits before beginning a six-hour and 32-minute spacewalk to install the orbiting lab’s second commercial crew vehicle docking port, the International Docking Adapter-3 (IDA-3). IDA-3 will accommodate the future arrivals of Boeing CST-100 Starliner and SpaceX Crew Dragon commercial crew spacecraft. (NASA)

The successful spacewalk was the fifth of this year and 218th overall. Astronauts Nick Hague and Andrew Morgan worked outside of the ISS to complete the tethering process and install power and data connectors, spending much of the 6.5 hours simply attaching and routing new cabling, extremely difficult to do in NASA’s semi-rigid EVA spacesuits. Astronaut Christina Koch assisted the duo from inside the station.

IDA-2, IDA-3’s predecessor, was successfully installed way back in August 2016, while the docking port was used for the first time ever just six months ago, when SpaceX’s Crew Dragon spacecraft – as part of its inaugural orbital launch – autonomously docked at IDA-2 on March 3rd, 2019. IDA-1 was sadly destroyed after a Falcon 9 upper stage failed catastrophically in June 2015, resulting in the total loss of Cargo Dragon CRS-7 and its array of ISS-bound cargo. Although far from the first, IDA-3 is still an extremely important addition to the ISS, particularly with respect to assuring redundancy and future accessibility for numerous spacecraft.

IDA-3 was installed in Cargo Dragon CRS-18’s expendable trunk on June 19th, about a month before the spacecraft launched atop a flight-proven Falcon 9 rocket. (NASA/SpaceX)

IDA’s are meant to serve as truly international ports, built by Boeing from a partially open-source design with parts from companies located in 25 different states and primary structures produced by Russian company RSC-Energia.

Both adapters feature a standard design, uniform docking requirements, and fittings for power and data transfer, all of which which are readily available to spacecraft designers to help streamline and simplify docking procedures. The IDA (technically, IDSS) standard has been adopted by both SpaceX’s Crew Dragon and Boeing’s CST-100 Starliner, while Russia may also adopt the standard on its next-generation Federation spacecraft, meant to replace Soyuz sometime in the 2020s.

A render depicting two Crew Dragon capsules simultaneously docked with the International Space Station. (SpaceX)

Both US capsules – currently in various stages of production and flight preparations – will be able to autonomously dock with either IDA-2 or -3, as will SpaceX’s Crew Dragon-derived Dragon 2, to be used for SpaceX’s Commercial Resupply Services 2 (CRS2) contract. With two IDA adapters, a SpaceX and Boeing crew capsule or two SpaceX Dragon 2s could simultaneously dock with the ISS.

Unlike the berthing process used by Cargo Dragon, Cygnus, and (prospectively) Dream Chaser, the docking adapters allow for spacecraft to perform autonomous docking maneuvers. Berthing instead involves the spacecraft in question station-keeping just a few meters away from the ISS while astronaut operators manually ‘grab’ the spacecraft with a giant, robotic arm known as Canadarm2.

SpaceX’s Crew Dragon docked to the International Space Station several minutes early after a flawless approach on March 3rd. (NASA)

While the installation of a second adapter is certainly a step in the right direction to support a larger commercial customer base, there are many more steps to get through before the ISS can begin to support regular visits from Crew Dragon and Starliner. Both SpaceX and Boeing are hopeful that their capsules will be ready for their crewed launch debuts (Demo-2 and OFT, respectively) before 2019 is out, although delays into 2020 are extremely likely for both NASA Commercial Crew providers.

Check out Teslarati’s newsletters for prompt updates, on-the-ground perspectives, and unique glimpses of SpaceX’s rocket launch and recovery processes.

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Elon Musk

The Boring Company’s newest tunnel vehicle runs on Tesla parts and no one is driving it

The Boring Company’s new tunnel vehicle runs on Tesla Model 3 batteries and drive units.

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The Boring Company just introduced a new piece of hardware, and it runs on parts pulled straight from a Tesla showroom. Liner Truck 3, unveiled in a post from the tunneling company’s official X account, is an all electric vehicle built around Tesla Model 3 battery packs and drive units, purpose built to move concrete tunnel segments to the boring machine face without a single person underground.

The job itself is unglamorous but critical. Each precast segment run weighs more than 22,000 pounds, roughly the load of a full cement mixer, and Liner Truck 3 hauls that weight repeatedly between the surface staging area and wherever the Prufrock machine happens to be cutting.

The Boring Company said Liner Truck 3 is piloted remotely out of its Global Operations Control Center in Texas, extending the Zero-People-In-Tunnel approach the company has spent years building toward. An earlier version of a ZPIT liner truck was already tested at the company’s Bastrop, Texas research tunnels, and a factory tour released last month showed an employee flying a fully loaded liner truck with a PlayStation controller. Liner Truck 3 looks like the production version of that same idea, cleaned up and pushed into daily use.

The timing lines up with a company digging in more places than it ever has before. The Boring Company now has multiple Prufrock machines active or arriving in Nashville, where Music City Loop construction has been accelerating since February, and its Vegas Loop network keeps adding tunnel mileage on a near monthly basis. Every one of those projects depends on getting concrete segments to the cutting face fast enough to keep the boring machine from idling, which is exactly the bottleneck Liner Truck 3 is designed to remove.

It also reinforces something Tesla owners have watched happen gradually across Musk’s companies: passenger car hardware finding a second life in heavy equipment. Model 3 drive units already move people through the Vegas Loop, and now the same components are hauling concrete underground in Nashville and wherever The Boring Company digs next. Whether that kind of component reuse extends further into TBC’s equipment lineup, or into other Musk owned industrial hardware, is the next thing worth watching.

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Elon Musk

Elon Musk and SpaceX shrugs off the trading day Wall Street feared most

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Rendering of Elon Musk overlooking a Starship fleet (Credit: Grok)

SpaceX stock did the opposite of what most of Wall Street expected this week, when the day designed to be its most dangerous turned into a rally, and the rally kept going.

Thursday marked the first major lockup expiration since SpaceX’s June IPO, making roughly 911.5 million insider held shares eligible to trade for the first time, more than doubling the company’s public float. Analysts and short sellers had spent weeks bracing for a flood of selling, especially after the stock fell 13 percent following its first earnings report as a public company on Tuesday. Instead, shares rose 6.1 percent Thursday to close at $114.92, and by Friday they were trading near $129, up more than another 12 percent on the day.

SpaceX shorts get warned by Musk ally, echoing Tesla’s early struggles

The setup made the outcome notable. Short interest had climbed to roughly 34 percent of the float heading into earnings, among the highest of any large cap stock, with about 95 percent of available shares to borrow already on loan. CEO Elon Musk warned short sellers twice in the weeks before the lockup, writing on X that “the survival probability of firms who maintain a significant short position in SpaceX over time is very low,” then following up on the morning of earnings with “I try to warn them, but they just double down.”

When the newly unlocked shares hit the market and the selloff never showed up, some of that short position appears to have started unwinding. TipRanks reported that options activity shifted toward bullish strategies like put selling and risk reversals following the rally, with roughly $600 million in options premium trading Thursday alone. Retail buyers also stepped in during the earnings dip, according to Vanda Research.

The fundamentals behind the stock have not changed much in a week. SpaceX’s revenue nearly doubled year over year to $7.8 billion, with Starlink subscribers doubling to 12 million and the company’s AI segment growing 247 percent. What spooked investors on Tuesday was the spending side. Capital expenditures jumped to more than $18 billion for the quarter, up from $2.8 billion a year earlier, with AI investment alone rising from $749 million to $15.8 billion. Wall Street remains split on whether that spending is building infrastructure SpaceX needs or outrunning what the business can currently support, a debate Teslarati has tracked since shares first came under pressure.

None of that resolves the bigger question hanging over the stock. Thursday’s release was only the first of nine staggered lockup tranches, with roughly $800 billion worth of additional shares scheduled to become eligible through October, and Musk’s own stake stays locked until next June. If this week is any indication, the market is treating that supply as something it can absorb rather than something to fear, at least for now.

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The Boring Company’s newest Vegas Station has a permit quietly waiting behind it

Sahara Las Vegas opened a new Vegas Loop station, joining an exclusive two resort transit club.

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Sahara Las Vegas opened a new Vegas Loop station Thursday, giving The Boring Company’s underground transit system its northernmost stop yet on the Strip. The station sits at Sahara’s Paradise Road entrance, on the southeast corner of Las Vegas Boulevard and Sahara Avenue, and connects riders to the Las Vegas Convention Center, other Strip resorts on the network and, eventually, Harry Reid International Airport.

The addition makes Sahara the second resort, after Fontainebleau opened its own station in January, to get a stop built at street level rather than tucked into the property itself. Sahara now joins Westgate as the only two Strip resorts offering both a Vegas Loop station and a stop on the Las Vegas Monorail, giving guests two separate ways to get around without leaving the property.

The Boring Company just doubled its tunneling power in Nashville

The bigger news buried in Thursday’s announcement is what comes next. Boring Company has already secured its first permit to tunnel north of Sahara Avenue, extending the network beyond where it currently ends, even though permits to push the Loop toward downtown Las Vegas still haven’t been granted. Crews are also working on a two mile dual tunnel line running from Westgate to a planned station at 4744 Paradise Road, just north of Tropicana Avenue, that Las Vegas Convention and Visitors Authority CEO Steve Hill has said the company hopes to open in time for November’s Las Vegas Grand Prix.

Ridership has grown alongside the buildout. The Loop moved roughly 82,000 passengers during CONEXPO in early March, a total the company highlighted on its own X account at the time, and the system has now carried more than 4 million passengers through 11 open stations since it began running in 2021. The airport connector tunnels, meant to give the Loop a direct link to Harry Reid, have slipped past their original first quarter target and remain under construction, with Boring Company director Mike Baier saying that a full opening is still a few months out.

For Sahara, the calculation is straightforward. Convention traffic drives a large share of Loop ridership, and a station at the property’s front door gives conventiongoers one more reason to book rooms on the Strip’s north end instead of closer to the convention center itself.

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