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PUBLIC ACCOUNTABILITY · Q2 2026

Safety and Mission Assurance Summary

The quarterly public summary of significant safety findings, independent assessments, corrective actions and mission-readiness assurance activity.

ANSA-SMA-Q2-2026 · PUBLISHED 8 JULY 2026

The quarterly public summary of significant safety findings, independent assessments, corrective actions and mission-readiness assurance activity.

Security-sensitive and personally identifying information is excluded. Redactions are listed by statutory authority.

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DOCUMENT REPRODUCTION

Selected pages from the filed edition

Reference reproductions from the authoritative public record. Paper tone, handling marks, audit notation and authorized redactions are retained where present.

Scanned public-edition cover of the ANSA Safety and Mission Assurance Summary for Q2 2026.
PUBLIC COVER

Quarterly public summary filed under ANSA-SMA-Q2-2026.

Scanned ANSA safety report page showing open ALEP 15 findings, a risk matrix and corrective-action tracking.
PAGE 028

Open safety findings, risk classification and corrective-action tracking.

Scanned ANSA safety report page showing the ALEP 15 preflight assurance gate checklist and review-board signatures.
PAGE 041

ALEP 15 preflight assurance gate and signed review-board disposition.

ARCHIVE CONTROLANSA-SMA-Q2-2026

Page references follow the pagination of the filed public edition. Reproductions are supplied for visual reference; the publication record above remains controlling.

REPORT SUMMARY

Principal findings

Selected statements from the public report; consult the authoritative edition for scope and methodology.

FINDING 0101

No agency Class I mishap occurred during the reporting period.

Reported under ANSA-SMA-Q2-2026.

FINDING 0202

ALEP 15 closed 31 of 34 preflight independent-assessment actions.

Reported under ANSA-SMA-Q2-2026.

FINDING 0303

Three remaining actions are scheduled for closure before the Flight Readiness Review.

Reported under ANSA-SMA-Q2-2026.

FINDING 0404

Supplier quality surveillance increased for cryogenic-valve and avionics lots.

Reported under ANSA-SMA-Q2-2026.

CONTENTS

Report structure

Major sections in the authoritative public edition.

01CHAPTER

Mishap and close-call reporting

Agency occurrence statistics and corrective-action status.

02CHAPTER

Mission assurance

Independent reviews for ALEP, science missions and flight research.

03CHAPTER

Institutional safety

Range, laboratory, aviation and occupational safety performance.

04CHAPTER

Corrective-action register

Publicly releasable action owners, milestones and closure evidence.