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D.19 Habitable Worlds Observatory System Technology Demonstrations and Mission Architecture Studies (HWOTAS) solicits industry-led proposals to carry out (1) system-level critical technology demonstrations for ultra-stable observatories and/or (2) mission architecture studies for system-level ultra-stable observatory approaches for the Habitable Worlds Observatory.

ROSES-2024 Amendment 65 releases final text and due date for D.19 HWOTAS, which was previously released as draft for community comment. Neither Notices of Intent nor Step-1 pro-posals are requested for this program. Proposals are due 6 February 2025. Changes made between the draft and final are summarized in entry #1 in the FAQ posted under "other documents" on the NSPIRES page for this program element.

Questions concerning D.19 HWOTAS may be directed to Julie Crooke at julie.a.crooke@nasa.gov.

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This cropped horizontal image has layers of semi-opaque rusty red colored gas and dust that starts at the bottom right and goes toward the top left. There are three prominent pillars rising toward the top left. The left pillar is the largest and widest. The peaks of the second and third pillars are set off in darker shades of brown and have red outlines.