What did the declassified documents reveal?

1960 04 7811770 OverHudsonStrait Canada Released through The Black Vault, this document details a UFO sighting over Hudson Strait, Canada, on April 10, 1960. The document, a Project 10073 Record Card, was released on an unspecified date and is now available through The Black Vault's online archive. MILITARY ATR 1. DATE: April 1960 3. DATE-TIME GROUP: Local 1X 0005 O54Z A a F PHOTOS 7 Ol Yes EI No Ne 'J. LENGTH OF OBSERVATION: 1 1/2 to 2 seconds 10. BRIEF SUMMARY OF SIGHTING - ADr 60 | ATIC FORM 329 (RZV 25 SEP $2) PROJECT 10073 RECORD CARD “LOCATION: Over Hudson Strait, Canada 4. TYPE OF OBSERVATION: Ground-Visual G Air Visual 6 Ground-Radar SOURCE: Military NUMBER OF OBJECTS: 9 COURSE: One W 7 % COMMENTS: ag tail, disappeared Typical of O Altr-Intercep? Rodor "green fireball." CONCLUSIONS: Was Balloon Probably Balloon Possibly Balloon — Was Air-craft Probably Air-craft Possibly Air-craft Was Astronomical Probably Astronomical Meveor Possibly Astronomical Other. a coo ogo ago oad Unknown Insufficient Data for Evaluation OPERATIONAL IMMEDIATE ate Ne. ee 2 ie SS Ne meee | ra, = aXe 10 BLO. Res | 2 1960 APR lO OS o4 2 ) neleor (pivtle) ul \ AV REOO7 u” af vije {' CZCSQC529ZCJYB465 This document was sent to various agencies, including Goose NORAD Sector, Air Technical Intelligence Center Wright Patterson AFB, and Assistant Chief of Staff Intelligence Hq USAF, among others. SUBJECT: UFO REPORT Se As 1, LONG TAIL 2e NEGATIVE Se BRIGHT GREEN Se N/A 2 Ar JZ A J Lif st 7 NVA 7. SAY ONLY TAIL s, N/A The sighting was described as a bright green object with a long tail, traveling east to west very fast, and disappearing instantly. RJEORP 5 n Le BRIGHT LIGHT JO DEGREES ABOVE HORIZON Se NEGATIVE ‘ye TRAVEL NG EAST TO WEST VERY FAST Ye INSTANTANIOUSLY Ge 31 Af2 10.2 SECONDS 3. NORDAIR 42, DC&, SOOOFT. 230 DEGREEN: De ae ie 00547 ee NIGHT FULL MOON The sighting was made by a NORDAIR 42, DC-3, at a height of 10,000 feet, with good visibility. SURFACE CLAM =—= = —————— 10,000 270/20 20 ,000/240/20 30 ,000-300/30 | #80 ,000-520/50 This is what the public record looks like at its most ordinary. storyflo.com. https://archive.org/download/1960-04-7811770-OverHudsonStrait-Canada/1960-04-7811770-OverHudsonStrait-Canadadjvu.txt

Why was this case declassified?

This material was released by the Central Intelligence Agency (CIA) through the U.S. declassification and Freedom of Information Act (FOIA) process. The originating source document is linked on this page so the citation chain is auditable.

Declassified USAF File

◆ BLUF — The short version

1960 04 7811770 OverHudsonStrait Canada Released through The Black Vault, this document details a UFO sighting over Hudson Strait, Canada, on April 10, 1960. The document, a Project 10073 Record Card, was released on an unspecified date and is now available through The Black Vault's online archive.

Agency: Central Intelligence Agency (CIA)
Date: JUL 18 · 2026
Release: Declassified · U.S. public record (FOIA)
Source document: View the primary source document

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What was Declassified USAF File about?: 1960 04 7811770 OverHudsonStrait Canada Released through The Black Vault, this document details a UFO sighting over Hudson Strait, Canada, on April 10, 1960. The document, a Project 10073 Record Card, was released on an unspecified date and is now available through The Black Vault's online archive.
Why was this case declassified?: This material was released by the Central Intelligence Agency (CIA) through the U.S. declassification and Freedom of Information Act (FOIA) process. The originating source document is linked in the case notes above so the citation chain is fully auditable.

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