science

SpaceX Crew-8

SpaceX Crew-8 is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand SpaceX Crew-8 rather than just read about it. In short: SpaceX Crew-8 was the eighth crewed operational NASA Commercial Crew flight and the 13th overall crewed orbital flight of a Crew Dragon spacecraft. The mission launched on March 4, 2024.

Key takeaways

SpaceX Crew-8 belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect SpaceX Crew-8 to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of SpaceX Crew-8 from memory before moving on to harder problems.

Reference excerpt

SpaceX Crew-8 was the eighth crewed operational NASA Commercial Crew flight and the 13th overall crewed orbital flight of a Crew Dragon spacecraft. The mission launched on March 4, 2024. The Crew-8 mission transported four crew members to the International Space Station (ISS). Three NASA astronauts, Matthew Dominick, Michael Barratt, and Jeanette Epps, and one Roscosmos cosmonaut, Alexander Grebenkin, were assigned to the mission. The Crew-8 mission was extended to accommodate problems encountered by the Boeing Crew Flight Test during its mission. The crew outfitted the Crew-8 capsule to accommodate two extra astronauts if an emergency occurred prior to Crew-9 docking on September 29, 2024.

Crew

Mission Crew-8 was the eighth SpaceX operational mission in the Commercial Crew Program and the 13th overall crewed orbital flight of a Crew Dragon spacecraft. The mission launched at 3:53:38 UTC on 4 March 2024 (3 March, 10:53:38 pm EST, local time at the launch site). SpaceX sent the 50th astronaut on this Crew Dragon launch. The first launch attempt, the day prior was scrubbed at T−03:25:38 due to elevated winds in offshore areas of the flight path.

Launch attempt summary Note: times are local to the launch site (Eastern Daylight Time).

Relocation To make way for a Boeing Starliner as a part of the planned May 6, 2024 Boeing Crew Flight Test that would dock to the forward port of Harmony, the crew relocated Crew Dragon Endeavour to the zenith port of Harmony on May 2, 2024, docking to the zenith port at 13:46 UTC. After several delays, Starliner docked on June 6, 2024. Boeing Starliner Calypso successfully launched on June 5, 2024, and docked to the forward port of Harmony on June 6.

Support for Starliner CFT

The Boeing Crew Flight Test mission docked with the ISS on June 6, 2024, after experiencing anomalies with its thrusters. Its crew of two remained on the ISS for an unplanned extended stay, while NASA and Boeing evaluated the problems. NASA decided that the uncertainties were too high to have the crew return to Earth on Starliner, so they sent the Crew-9 mission to the ISS with a crew of two, and the Starliner crew then returned to Earth with Crew-9 in March 2025, while Starliner undocked from the ISS and made a successful uncrewed return to Earth in September 2024. This was necessary, because the ISS has only two IDSS ports shared between Dragon and Starliner. However, each ISS crewmember needs a contingency "lifeboat" in the event of an ISS emergency, and uncrewed undocking of the Starliner would leave its crew without a lifeboat. Therefore, NASA directed the crews to install two extra crew positions in the cargo area of the Crew-8 capsule to provide the lifeboat function after Starliner undocks and before Crew-9 docked. Until Crew-9 arrived, they moved to SpaceX Crew-8, their temporary emergency evacuation spacecraft, and subsequently to Crew-9.

Mission duration Crew-8 was originally planned to return to Earth in early August after a nominal 180-day mission, but the mission was extended several times. It was extended initially as NASA investigated the CFT situation and again to provide the lifeboat function while Boeing worked to reconfigure Starliner to perform the uncrewed return. The NASA maximum mission time for Crew Dragon is ordinarily 210 days, but NASA extended it to 240 days for this mission. The overlap after Crew-9 arrived was slightly longer than usual to allow time to reconfigure Crew-8 and Crew-9 as the Starliner astronauts moved to Crew-9. The return of Crew-8 was delayed for several additional weeks due to poor weather conditions in the splashdown zones surrounding Florida caused by Hurricane Milton and several other storms. The cumulative delays caused Crew-8 to become the longest Dragon mission.

Landing Crew-8 undocked from the ISS on October 23, 2024, at 21:05 UTC. After completing 3,760 orbits and traveling nearly 100 million miles (160 million kilometers), Endeavour began its entry back into the Earth's atmosphere and splashed down in the Gulf of Mexico, near Pensacola, Florida on October 25, 2024, at 07:29:02 UTC (3:29:02 am EDT, local time at the landing site). During the parachute deploy sequence, it was observed that the opening of main parachute was delayed. Additionally, drogue debris strikes were observed. The capsule taken aboard the recovery ship MV Megan. After the crew exited the spacecraft, they were taken into the ship's onboard medical treatment facility for evaluations. After that check-up, NASA flew all of the crew members to the Ascension Sacred Heart Pensacola by helicopter for additional evaluation. One astronaut was hospitalized, but NASA declined to provide the individual's condition or identity. NASA said that the entry and splashdown was normal and the recovery of the crew and the spacecraft was without incident. The astronaut was released from the hospital the following day and was said to be in "good health".

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Worked examples

Example 1 — a first encounter with SpaceX Crew-8

Start with the simplest possible case. Write down what SpaceX Crew-8 claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to SpaceX Crew-8 before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about SpaceX Crew-8 ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of SpaceX Crew-8

In research: SpaceX Crew-8 appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses SpaceX Crew-8 in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: SpaceX Crew-8 is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2024 in Florida, Crew Dragon, Human spaceflights to the International Space Station, so understanding it makes those chapters shorter.
In everyday life: Look for SpaceX Crew-8 outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study SpaceX Crew-8 in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what SpaceX Crew-8 means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain SpaceX Crew-8 out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is SpaceX Crew-8 in simple terms?

SpaceX Crew-8 was the eighth crewed operational NASA Commercial Crew flight and the 13th overall crewed orbital flight of a Crew Dragon spacecraft. The mission launched on March 4, 2024.

Why does SpaceX Crew-8 matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study SpaceX Crew-8?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on SpaceX Crew-8.