原本檔案 (3,000 × 1,993 像素,檔案大細:1.04 MB ,MIME類型:image/jpeg

摘要

描述
English: The US Navy attack submarine USS Annapolis (SSN 760) rests in the Arctic Ocean after surfacing through three feet of ice during Ice Exercise 2009 on March 21, 2009. The two-week training exercise, which is used to test submarine operability and war-fighting capability in Arctic conditions, also involved the USS Helena (SSN 725), the University of Washington and personnel from the Navy Arctic Submarine Laboratory.
Français : Le sous-marin d'attaque USS Annapolis (SSN 760) est au repos dans l'océan glaciel Arctique après avoir fait surface à travers un mètre de glace environ, pendant l'exercice Ice (i.e. « Glace ») le 21 mars 2009. L'exercice de deux semaines, dont l'objet est de tester la capacité opérationnelle sous-marine et sa capacité de combat dans les conditions arctiques, a aussi impliqué le USS Helena (SSN 725), l'université de Washington et le personnel du laboratoire sous-marin arctique de la Marine américaine.
日期 Taken on 2009年3月21號
來源

This image was released by the United States Navy with the ID 090321-N-8273J-409 (next).
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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作者 US Department of Defense photo by Petty Officer 1st Class Tiffini M. Jones, U.S. Navy

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協議

Public domain
This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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圖中顯示嘅係

21 3 2009

ISO speed 英文

200

0.0025

f-number 英文

14

focal length 英文

26 毫米

VIRIN 英文

090321-N-8273J-409

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