File:Operation Ivy, Mike cloud, aerial view - NARA - 558592.tif

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Operation Ivy, Mike cloud, aerial view   (Wikidata search (Cirrus search) Wikidata query (SPARQL)  Create new Wikidata item based on this file)
Author
UnknownUnknown USAF personnel: "Personnel conducting this project photography cannot be identified from the project report."
Record creator
InfoField
Department of Energy. Office of Public Affairs. (10/01/1977 - 1985?)
Title
Operation Ivy, Mike cloud, aerial view
Description
English: The picture shows an mushroom cloud of the Mike shot. This aerial photography was taken on of of the two C-47s which were used during the mission to document the explosion. These planes featured the codenames SS-1 (saltshaker one) and SS-2 (saltshaker two). Most of the photographic material taken during the mission was unusable due to different technical issues. The handheld Graflex Pacemaker Speed Graphic cameras shot one image each image minute starting with 07:15 A.M local time. The Test Servive Unit Photo Element was assigned to "Project 3.2 Cloud phenomenon" - one of Operation Ivy's tactical goals to document the cloud development after the explosion.
The mushroom cloud on the image is about 3 miles in diameter and 80,000 ft in height. Due to focal length of the lenses and the increasing size of the cloud, any pictures taken after M+10min could no longer display the whole mushroom.
Date 1 November 1952, 07:20
Dimensions height: 4 in (10.1 cm); width: 5 in (12.7 cm)
dimensions QS:P2048,4U218593
dimensions QS:P2049,5U218593
institution QS:P195,Q38945047
Still Picture Records Section, Special Media Archives Services Division (NWCS-S)
Notes The color negative for this image is "374-ANT-21-APB-35-55."
Record ID
InfoField
This media is available in the holdings of the National Archives and Records Administration, cataloged under the National Archives Identifier (NAID) 558592.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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  • Record group: Record Group 434: General Records of the Department of Energy, 1915 - 2007 (National Archives Identifier: 722)
  • Series: Activities and Personnel of the Department of Energy and Predecessor Agencies, 1955 - 1979 (National Archives Identifier: 558589)
  • NAIL Control Number: NWDNS-434-RF-12A(1)
  • 434-RF-12A(1)
References
Source U.S. National Archives and Records Administration
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Camera Model Graflex Pacemaker Speed Graphic 4 x 5 (serial number 839232 or 872293)
Lens Kodak Ektar 127mm f/4.7 (serial number RC7785) or Graflex Optar 135mm f/4.7 (serial number 752534)
Focal length 127mm or 135mm
Notes The camera data sheets indicate that a Kodak Plus-X emulsion was used for these photographs. Yet the Plus-X film by Kodak is a dedicated black and white film. Depending on the plane from which this image was taken, it's either the Kodak or Graflex lense. Both airplanes featured the same camera model.
Object location11° 40′ 00″ N, 162° 11′ 13″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

Licensing

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Public domain
This image or file is a work of a U.S. Air Force Airman or employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image or file is in the public domain in the United States.

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current19:10, 23 September 2011Thumbnail for version as of 19:10, 23 September 20113,000 × 2,380 (20.43 MB)US National Archives bot (talk | contribs) == {{int:filedesc}} == {{NARA-image-full |Title=Operation Ivy, Mike cloud, aerial view |Scope and content= |General notes=The color negative for this image is "374-ANT-21-APB-35-55." |ARC=558592 |Local identifier=434-RF-12A(1) |Creator=Department of Ener

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