HANDOFF
A FIELD GUIDE TO THE COMMERCIAL CREW PROGRAM
Ten chapters on the program that changed how NASA gets its astronauts to orbit — not by building the next spacecraft itself, but by paying two companies to build competing ones and simply buying seats. One competitor delivered spectacularly. The other's crewed test flight went so wrong its astronauts came home on the other company's capsule. Scroll to begin.
BEGIN — CHAPTER 01 →Retiring the shuttle without a replacement ready
When the Space Shuttle retired in 2011, the United States had no crewed spacecraft of its own. Every NASA astronaut reached the ISS on a Russian Soyuz, under contracts that eventually cost more than $80 million per seat.[1] Ending that dependence, not just replacing the shuttle, became the point of what followed.
Fixed-price awards to two competing companies
Instead of designing and owning the next spacecraft itself, NASA funded companies to develop their own vehicles under fixed-price contracts and then bought seats as a customer, the same model already proven by cargo resupply flights. In September 2014, NASA awarded Commercial Crew contracts to SpaceX, worth about $2.6 billion for Crew Dragon, and Boeing, worth about $4.2 billion for the CST-100 Starliner.[1]
Redundancy was the point, not just competition
NASA deliberately funded two different vehicles rather than picking a single winner, so that a problem grounding one fleet would not strand the agency without any way to reach the ISS — a lesson learned directly from relying on a single shuttle fleet, and then a single foreign one.[1] Crew Dragon launches on a Falcon 9 and splashes down in the ocean; Starliner launches on an Atlas V (and later Vulcan) and lands on airbags in the American desert.
The capsule that actually got astronauts flying again
Crew Dragon is the vehicle that has carried the program so far. Select a component.
The first crewed splashdown since the Apollo era
On May 30, 2020, SpaceX launched Bob Behnken and Doug Hurley to the ISS aboard Crew Dragon on the Demo-2 test flight — the first crewed orbital launch from American soil since the shuttle's retirement, and the first crewed splashdown recovery since the Apollo-Soyuz mission in 1975.[2] It was as much a proof of the entire commercial model as a proof of the hardware.
Dragon became the workhorse, and then a private ride too
Crew-1, the first of a continuing series of operational rotation missions, launched in November 2020 and has been followed by regular six-month ISS crew swaps ever since. The same capsule also began flying missions NASA had no part in — Inspiration4 in 2021, the first all-civilian orbital flight, and a series of private Axiom Space missions to the ISS — turning Dragon into general-purpose orbital transportation rather than a NASA-only vehicle.[2]
Its astronauts flew home on the other company's spacecraft
Boeing's Starliner struggled where SpaceX succeeded. Its first uncrewed test, OFT-1 in December 2019, suffered a software timing error and never reached the ISS; a repeat test, OFT-2 in May 2022, finally docked successfully. The Crewed Flight Test finally launched in June 2024 with Butch Wilmore and Suni Williams — but helium leaks and thruster problems discovered in flight led NASA to judge Starliner too uncertain to bring its crew home safely.[3] Starliner returned to Earth uncrewed in September 2024; Wilmore and Williams instead came home on a Crew Dragon in March 2025, months later than planned.
One capsule's trouble did not strand a single astronaut
Starliner's 2024 failure is exactly the scenario the two-provider strategy was designed for: because Crew Dragon existed and was already flying reliably, NASA had a straightforward way to bring its astronauts home safely instead of facing a single point of failure, as it once had with the shuttle and then with Soyuz alone.[1]
More ways to reach orbit than at any point before
As of October 2026, Crew Dragon flies ISS rotations routinely alongside Soyuz under a continuing seat-swap agreement: Crew-13, the 13th rotation and NASA's 14th crewed Dragon flight counting Demo-2, docked on 1 October 2026.[5] Starliner has not yet returned to crewed service: an uncrewed cargo flight, Starliner-1, is planned for December 2026 or January 2027, and the next crewed flight, Starliner-2, for 2028.[6] Between them, the program restored something the United States had been missing since 2011: the ability to launch its own astronauts, on its own spacecraft, from its own soil.[1]
The model outlived the vehicle it replaced
NASA built the shuttle itself and owned every part of it. It does not own Crew Dragon or Starliner — it buys seats, the way an airline passenger buys a ticket. That shift, more than either capsule, is the program's real legacy.
Sources cited throughout this guide
Bracketed numbers in the text above correspond to the sources below.