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SpaceX Falcon Heavy rocket still on track for two launches this year
Spaceflight Now reports that SpaceX’s next two Falcon Heavy rockets – both under contract with the US military – are scheduled to launch as early as July and October 2021.
Known as USSF-44 and USSF-52, both missions will see Falcon Heavy rockets launch unknown US military satellites – one directly to a circular geostationary orbit (GEO) and the other to an elliptical geostationary transfer orbit (GTO). The nature and purpose of those satellites will likely remain a mystery up to and after both launches, though their target and destination orbits may allow independent satellite tracking fans to loosely speculate, at minimum.
SpaceX has already shipped all three of USSF-44’s new Falcon Heavy boosters from its Hawthorne, California factory to McGregor, Texas test facilities. At least one of those boosters has also completed static fire acceptance testing in Texas and been delivered to SpaceX’s Florida facilities. Outfitted with a telltale nosecone, that side booster will likely be joined by its twin within the next few weeks – if it hasn’t already.
According to a US military spokesperson that responded to Spaceflight Now’s inquiries, Falcon Heavy’s USSF-44 launch has apparently slipped from a target of “late spring” to no earlier than (NET) July 2021 – a delay of a few weeks to one or two months. Although SpaceX still has two twice-flown Falcon Heavy Block 5 side boosters on hand from the rocket’s back-to-back April and June 2019 launches, the US military requested all new boosters for USSF-44.
Notably, the same official revealed that SpaceX and the US military are targeting October 2021 for Falcon Heavy’s USSF-52, just three months after USSF-44. USSF-44 will be Falcon Heavy’s first launch in an expendable-center-core configuration, meaning that one of the rocket’s three boosters will be intentionally expended. That means that SpaceX will need to complete, test, and deliver another new Falcon Heavy center core before USSF-52 can launch.
SpaceX has spent at least 2-3 months testing each new Falcon booster in McGregor over the last year or so, meaning that it would require a major boost in processing cadence to deliver six new boosters in just 6-8 months. In other words, barring several months of delays, it’s likely that SpaceX and the USSF are currently planning for USSF-52 under the assumption that it will reuse the Falcon Heavy side boosters from USSF-44 or from the rocket’s second and third launches.
Regardless, tentative July and October launch targets make it more likely than not that SpaceX will be able to launch Falcon Heavy twice this year even if booster production, testing, or processing take a bit longer than expected and both missions run into minor delays on the launch pad. USSF-44 will be Falcon Heavy’s first launch in more than two years, a lengthy delay between flights that appears to be unlikely to happen again as SpaceX continues to fill the rocket’s manifest with no fewer than eight launches between now and the end of 2024.
SpaceX has announced a new target date for the thirteenth test flight of Starship: Monday, July 20, with the launch window opening at 6:45 p.m ET/5:45 p.m. CT.
This is the first rescheduling attempt of Starship’s 13th test flight. It was set to launch last night, but SpaceX scrubbed the launch attempt.
🚨 SpaceX is now looking at Monday, July 20th at 6:45 p.m ET/5:45 p.m. CT for the 13th test flight of Starship pic.twitter.com/7s8aMJV5Ge
— TESLARATI (@Teslarati) July 17, 2026
CEO Elon Musk revealed that some of the engines on Starship did not start, which automatically triggers a launch abort. Two of the Raptor engines will be removed and replaced.
To be confident of a good flight, 2 Raptors will be removed & replaced. Most probable launch timing is early next week.
— Elon Musk (@elonmusk) July 17, 2026
SpaceX officially announced the new launch window this morning.
Starship’s 13th test launch comes with a few new objectives, but SpaceX does not plan to attempt a catch of the booster, which it has done several times in the past.
For Starship’s Upper Stage, there are some adjustments to ensure engine reusability that will be assessed during the ascent, and 20 operational Starlink V3 satellites are also set to make their way into space. SpaceX also plans to attempt an in-space relight of a single Raptor engine, which is a critical demonstration for future orbital deorbit, refueling, and deep space maneuvers.
Ultimately, it will splash down in the Indian Ocean.
The continuous tests help SpaceX advance the Starship program toward eventual full reusability, operational Starlink V3 deployment, and future missions, which include NASA’s Artemis program.
Elon Musk
SpaceX Starship Flight 13 aborted at Zero and Musk just told us what broke
Four Raptor engines failed to ignite at T-zero, forcing SpaceX to scrub Starship Flight 13 Thursday.
SpaceX scrubbed the Starship Flight 13 launch attempt Thursday evening at the last possible moment, after four of the Super Heavy booster’s 33 Raptor 3 engines failed to ignite during the startup sequence. The 90-minute window had opened at 6:45 p.m. EDT from Starbase in Boca Chica, Texas, and the countdown had proceeded without issue all day, with more than 11.5 million pounds of liquid methane and liquid oxygen being fully loaded into the rocket before the automated abort triggered. SpaceX’s launch directors posted on X, “Standing down from today’s flight test attempt,” and shut down the livestream shortly after.
Musk confirmed the root cause within hours. “Some of the engines didn’t start, triggering an automatic launch abort,” he wrote on X. “To be confident of a good flight, 2 Raptors will be removed and replaced. Most probable launch timing is early next week.” SpaceX engineers began draining propellant tanks immediately and Booster 20 was rolled back to its hangar for inspection.
The timing adds a layer of significance that did not exist during any of the previous 12 Starship flights. This is the first time SpaceX has attempted to launch Starship since the company made its stock market debut in June, listing under ticker SPCX at $135 per share. Public investors are now watching every Starship outcome in real time, and a last-second abort carries more visibility than it would have six months ago.
Flight 13 was designed to be one of the most consequential tests in the program’s history. It was set to carry 20 Starlink V3 satellites, the first operational payload Starship has ever attempted to deploy. Six of those satellites carried external cameras to photograph Starship’s heat shield from the outside during flight, which would act as a self-inspection approach SpaceX has never attempted before. The mission also needed to complete a Raptor engine relight in space, a step SpaceX skipped on Flight 12 in May after losing an engine during ascent. That Flight 12 booster also flipped 90 degrees off course during its boostback burn when five engines failed to reignite.
SpaceX has not announced an official next launch date. Musk’s “early next week” window points to July 21 or 22 at the earliest, pending the engine swap and a return to the pad.
Elon Musk flew under the radar with his recent purchase of a $1 billion energy company, according to Federal Trade Commission (FTC) documents.
Transaction number 202612350 listed Tesla and SpaceX frontman Elon Musk as the acquiring party and CF APR Super Holdings LLC as the seller, with New APR Energy, LLC as the acquired entity. The deal, which closed without public announcement, came to light on May 14.
BREAKING: Elon Musk acquires Jacksonville power company APR Energy in a deal valued at more than $1,000,000,000.00.
— Polymarket Money (@PolymarketMoney) July 15, 2026
Analysts inferred the deal’s scale from minority stakeholder disclosures, including one report of a 5 percent interest sold for approximately $50.4 million. Fortress Investment Group had purchased APR’s assets in late 2024, rebranded the operation as New APR Energy, and subsequently transferred ownership to Musk.
APR Energy specializes in rapidly deployable power infrastructure. The company maintains one of the world’s largest fleets of mobile gas and diesel turbines, with more than 1.1 gigawatts of generation capacity. Its modular units, which are often trailer-mounted, enable turnkey installations ranging from 20 MW to over 500 MW.
APR provides full engineering, procurement, construction, operation, and maintenance services for behind-the-meter power plants, serving everything from data centers, utilities, and industrial clients.
The firm has expanded aggressively to meet surging demand, recently adding turbines and deploying over 100 MW for a major AI hyperscaler. Its solutions bridge critical gaps where grid interconnections face delays of two to five years, according to Yahoo.
The acquisition means something more for Musk. As he continues to expand projects in artificial intelligence, especially xAI, his AI venture, there is a greater need to supply energy-intensive supercomputing clusters, including the Colossus project, with what they need: reliable and high-capacity power.
Ownership of APR provides immediate access to flexible generation assets that can be deployed adjacent to data centers, reducing dependence on a strained infrastructure. It also complements Tesla’s energy storage business, so Musk will be able to pull from his own entities to address the rapid scaling demands of AI training and compute.
SpaceX announces new Starship 13 test flight target date
SpaceX Starship Flight 13 aborted at Zero and Musk just told us what broke
