SpaceX
SpaceX ships two Falcon boosters to Florida for a busy spring of launches
Two days before the first attempted launch of Falcon Heavy Block 5, a Florida local caught a separate Falcon booster crossing the state border on its way to one of SpaceX’s two Cape Canaveral launch pads.
Soon after, a separate Falcon booster was tracked heading East through Arizona, Louisiana, and Florida, a rare back-to-back rocket shipment bringing to an end two months of little visible activity. Prelude to a busy spring and early summer manifest, these Falcon booster arrivals signify a new influx of rocket hardware as SpaceX prepares for several upcoming missions. Ranging from Falcon Heavy Flight 3 to Crew Dragon’s critical in-flight abort test, SpaceX has no less than seven launches planned between now and the
Core Spotting – Episode 74
This brings us to another episode of analysis of SpaceX’s ever-changing fleet of Falcon 9 and Falcon Heavy boosters. The cast of flightworthy Block 5 rockets now includes either seven or eight flight-proven boosters and perhaps 2-3 unflown boosters. The new center core believed to be assigned to Falcon Heavy’s third launch (B1057) is reportedly already in Florida, while both flight-proven Falcon Heavy side boosters (B1052 and B1053) were transported to SpaceX’s Pad 39A hangar for refurbishment less than a week after their first launch and landing.
Of the above fleet, B1047, B1048, B1050, B1051, B1052, and B1053 are already known to be located at SpaceX’s Florida facilities, all of which launched from Cape Canaveral within the last five months. After successfully supporting Crew Dragon’s orbital launch debut in March, B1051 is currently assigned to SpaceX’s second West Coast launch of the year and will likely be shipped to California in the next few weeks. B1057, believed to be the next new Falcon Heavy center core, is likely already in Florida to prepare for its a launch as early as late June.
This leaves either two known flight-proven boosters or new Falcon boosters as the likely suspects captured in a duo of April core spottings, one on April 8th and another on April 17th. SpaceX has two flightworthy Falcon 9 Block 5 boosters – B1047 and B1048 – at its Florida facilities, so it’s not out of the question that both spotted cores are new. They could also be B1046 and B1049, both of which recently completed launches from SpaceX’s Vandenberg pad and have been undergoing refurbishment in California. SpaceX’s West Coast manifest could have just two launches for the rest of 2019, meaning that there is no practical reason to keep unassigned boosters nearby.
Meanwhile, SpaceX has plans to begin operational Starlink constellation launches as early as mid-May and likely has more than one planned for 2019. The launch-hungry venture will need as many Falcon 9 boosters as it can get – the more, the merrier. Heading into Q3 2019, SpaceX’s first crewed launch of Crew Dragon (DM-2) is in need of a new Falcon 9 Block 5 rocket and is reportedly scheduled no earlier than (NET) October. One of the cores spotted in the last week or so could be that very rocket, arriving early due to the gravity of DM-2 and the need to double, triple, and quadruple-check the hardware to best ensure mission success.
At the end of the day, the most likely explanation is that one of the boosters spotted is new, while one is B1046 or B1049. This is supported by the fact that the second instance was coincidentally tracked throughout its journey, with fans in California, Tuscon, Louisiana, and Florida all catching glimpses between April 12th and April 17th. SpaceX static fires all unflown boosters in McGregor, Texas before they are delivered to a launch site, a procedure that typically takes no less than two weeks from arrival to departure. The booster spotted entering Florida on April 8th, however, does not seem to have been spotted by the same unofficial network of SpaceX fans.
Finally, there is a chance that one of these boosters is a new Falcon 9 assigned to SpaceX’s next Cargo Dragon mission to the International Space Station. CRS-17 is scheduled for launch on April 26th, cutting it extremely close for the booster to be arriving just two weeks before its static fire test.
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SpaceX and its CEO Elon Musk are starting to shed some light on the potential reasoning for the loss of Starship yesterday, which was lost after a successful launch and catch of the lower-stage booster.
Starship was lost during its ascension, and debris rained down over the Caribbean less than an hour after SpaceX lost all communication with the spacecraft.
A few hours after the launch was over, SpaceX started to shed some light after looking at preliminary data that the rocket left behind.
The company said that a fire developed in the aft section of Starship:
“Following stage separation, the Starship upper stage successfully lit all six Raptor engines and performed its ascent burn to space. Prior to the burn’s completion, telemetry was lost with the vehicle after approximately eight and a half minutes of flight. Initial data indicates a fire developed in the aft section of the ship, leading to a rapid unscheduled disassembly with debris falling into the Atlantic Ocean within the predefined hazard areas.”
Additionally, Musk said that there was some sort of oxygen or fuel leak in the cavity above the ship engine firewall.
The leak was evidently large enough to build more pressure than the vent was able to handle:
🚨Elon Musk has also said an oxygen or fuel leak in the cavity above the ship engine firewall could be the cause of the anomaly. https://t.co/BgLkdA9Kk1
— TESLARATI (@Teslarati) January 17, 2025
Some also seemed to recognize evidence of fires throughout the flight of Starship, which is obviously an anomaly:
Unconfirmed but what looks to be fire at the hinge of Starship’s flap. A potential RUD? We await as we get any confirmation from SpaceX.
They do not have comms with the spacecraft as this moment. pic.twitter.com/Cn1EF4AHpv
— Mihir Tripathy (@mihirneal) January 16, 2025
There will be more information regarding the loss of Starship in the coming days and weeks, but Musk already believes that a bit of fire suppression and more volume in the cavity above the ship engine firewall could fix the issue.
“Nothing so far suggests pushing next launch past next month,” he said, so Flight 8 could happen sometime in February.
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SpaceX completed its seventh launch of Starship on Thursday, accomplishing a clean liftoff and catch of the first-stage booster. However, the upper stage was lost after its ascent.
The launch took place just a few minutes after 5 p.m. on the East Coast, as the first attempts at getting Starship in the air for the seventh time were delayed by weather both last week and this week.
Conditions were favorable on Thursday as SpaceX looked to follow up a successful campaign by Blue Origin, Jeff Bezos’s company, earlier today.
SpaceX went into the seventh Starship launch with plans for a catch attempt of the first-stage booster, something it attempted and completed during the fifth test launch last year. It decided to skip a catch attempt with the sixth test flight as conditions were not aligned.
For now, SpaceX is extremely selective as to when it attempts catches.
However, it was successful during this attempt, its second completed catch:
🚨 🚀 Here is @SpaceX’s full catch of the Lower Stage Booster from Starship Flight 7! pic.twitter.com/IXIRAGr1Md
— TESLARATI (@Teslarati) January 16, 2025
This flight differed from previous launches as SpaceX rolled out several improvements to the rocket and the processes as it featured plans to do a Starlink deployment simulation and had various adjustments to flap placement and avionics.
These plans were disrupted by the fact that SpaceX lost all communications with Starship about ten minutes into the flight, which the aerospace company confirmed was a result of losing the spacecraft sometime during its ascent.
🚀🚨 Telemetry on Starship has been lost. All comms with the ship have been lost, and SpaceX’s livestream says this is an “anomaly.”
“We are assuming the ship has been lost.” pic.twitter.com/fyyCNuXVRg
— TESLARATI (@Teslarati) January 16, 2025
Although the catch was successful, the loss of the actual rocket seemed to be a huge damper on the entire event. SpaceX confirmed several minutes after the loss of communications that the rocket was destroyed and was lost.
It was its first failure since the second Starship launch in November 2023. SpaceX had no answers for why the rocket was destroyed and lost.
We will keep you updated in the coming days.
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SpaceX has confirmed a new target date for the seventh Starship test launch after weather in Texas delayed the first scheduled date for “three or four days.”
The company is now targeting the launch for Monday, January 13, at 4 p.m. CST or 5 p.m. EST. The launch date is not set in stone as any variety of delays could impact this, but SpaceX hopes to finally take off after a delay that pushed it back from January 10.
🚨 STARSHIP LAUNCH DATE: @SpaceX says Starship’s 7th test flight is now targeted for Monday, January 13 at 4pm CST
— TESLARATI (@Teslarati) January 8, 2025
What’s new with this Starship launch
With this being the seventh test launch of Starship, there are several things that the company will change and hope to accomplish. All of these launches are done in preparation for eventually taking flight to Mars, something that will happen next year, according to CEO Elon Musk.
First, SpaceX is rolling out a next-generation ship with “significant upgrades.” Forward flaps have been made smaller and are repositioned away from the heat shield, which will “reduce their exposure to reentry heating.”
There is also a 25 percent increase in propellant volume, a new fuel feedline system for the Raptor vacuum engines, and a better-than-ever propulsion avionics module that will control the valves and reading sensors.
Avionics, as a whole, underwent a redesign and now have more capability and redundancy for missions as they become more complex.
Starlink test
SpaceX is also planning to deploy 10 Starlink simulators that are similar in size and weight to the next-generation Starlink satellites:
“While in space, Starship will deploy 10 Starlink simulators, similar in size and weight to next-generation Starlink satellites as the first exercise of a satellite deploy mission. The Starlink simulators will be on the same suborbital trajectory as Starship, with splashdown targeted in the Indian Ocean. A relight of a single Raptor engine while in space is also planned.”
Ship return and catch
There will be several experiments that have to do with returning Starship and various catch scenarios and sequences. One of which will see “a significant number of tiles be removed to stress-test vulnerable areas across the vehicle.”
The ship’s reentry profile was also intentionally designed to test the structural limits of the flaps while at the point of maximum dynamic pressure during reentry.
Currently, SpaceX did not detail whether it would attempt another catch during this test launch. These are usually game-time decisions.
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