Verified Alumni Only
1963 - Thresher Court of Inquiry - Proceedings Release
US Navy
SecNav (FOIA)
2020
ISBN-13
none
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Starting in 2020, the US Navy started publicly releasing Court of Inquiry Proceedings concerning the loss of Thresher on April 10, 1963. This is complete list of all released documentation as of May 2024. These files are downloaded from SecNav.navy.mil/foia/readingroom
Releases that relate to internal NR correspondence are accessible only to verified NR alumni and are separate (Releases 19 - 23)
FOIA Release date & Summary of Contents
9/23/2020 USS Thresher Interim Release 1
COI Volume 1 (Index, pp 1-227)
COI Index, List of Witnesses, List of Exhibits, Findings of Fact, Opinions, Recommendation, Initial Testimony
10/26/2020 USS Thresher Interim Release 2
COI Volume 1 (pp 228-280) Volume 2 (pp 281-526)
Continued Testimony
11/24/2020 USS Thresher Interim Release 3
COI Volume 2 (pp 527-558) Volume 3 (pp 559-846)
Continued Testimony (including VADM Rickover)
12/22/2020 USS Thresher Interim Release 4 (Part 1 and Part 2)
COI Volume 4 (pp 847 - 1173)
Continued Testimony
1/27/2021 USS Thresher Interim Release 5
Sea-Based Airborne Anti-Submarine Warfare
Airborne ASW 1940-1977
2/24/2021 USS Thresher Interim Release 6 (Part 1 and Part 2)
Sea-Based Airborne Anti-Submarine Warfare
Airborne ASW 1940-1977
3/24/2021 USS Thresher Interim Release 7
COI Volume 5
Continued Testimony
4/20/2021 USS Thresher Interim Release 8
COI Volume 6 and COI Volume 7 (Exhibits pgs 1-80)
Final Testimony (including Chief of Naval Personnel) and first Exhibits
5/24/2021 USS Thresher Interim Release 9
COI Volume 7 and 8 (pages 1-164)
Continued Exhibits
6/28/2021 USS Thresher Interim Release 10
COI Volume 8 and 9 (pages 1-225)
Continued Exhibits
7/26/2021 USS Thresher Interim Release 11
COI Volume 9 and Volume 10
Continued Exhibits
8/28/2021 USS Thresher Interim Release 12
COI Volume 10, Volume 11, and Volume 12
Continued Exhibits
9/30/2021 USS Thresher Interim Release 13
COI Volume 12, DOE Security Declassification Guide
Continued Exhibits on Seawater joint quality and Thresher shock tests
10/31/2021 USS Thresher Interim Release 14 (Part 1, Part 2, Part 3)
COI Volume 12
Final Exhibits, Final COI Release
11/30/2021 USS Thresher Interim Release 15 (Part 1 and Part 2)
USNS Mizar 1964 Photos 302 photos of Thresher debris field
12/21/2021 USS Thresher Interim Release 16
USNS Mizar 1964 Photos 345 photos of Thresher debris field
1/26/2022 USS Thresher Interim Release 17
Correspondence to/from BUSHIPS
Thresher-related correspondence/report of 1964 Expedition to Thresher wreckage site.
3/3/2022 USS Thresher Interim Release 18
Court of Inquiry Endorsements,
Summary of Actions Taken on Court of Inquiry Recommendations
Summary of Events
Opinions of the Court of Inquiry
Court of Inquiry Recommendations
Summary of Search Actions
1977 Debris site visit and photography mission (pdf page 149)