NASA PRIMA Moves into Phase B (Sep 2026)
eventDefense & Military-Industrial
NASA moved its PRIMA mission into Phase B development.
Who they are
NASA's PRIMA mission[1].
What they do
Around September 23, 2026, NASA said PRIMA is moving into Phase B development.
How it works
PRIMA has a max cost of $1.2 billion and a launch in 2033. Mashable, citing a Sept. 15 NASA blog, said Roman has propellant for at least 22 years and first science images "by early 2027".
Why it matters
It is filed as a news event under NASA Artemis Program (Isaacman-era).
The engine's record — word for word
2026-09-23 ~ (PRIMA, "Wednesday"); 2026-09-15 (Roman blog): NASA: PRIMA moving into Phase B development, max cost $1.2 billion, launch 2033. Mashable: per Sept. 15 NASA blog, Roman has propellant for at least 22 years; first science images "by early 2027". (1 source) [Live pass Oct 6 2026]
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