Image: VDS

Description: Variable depth sonar on danish navy Thetis-class
Title: VDS
Credit: Own work
Author: heb@Wikimedia Commons (mail)
Permission: Attribution (see license details below), to be credited with simply a backlink to source file-page on Wikimedia Commons or in one of the following manners, with or without links as reuser sees fit and in what ever language is deemed most practical: User:Heb on Wikimedia Commons http://commons.wikimedia.org/wiki/User:Heb Wikimedia Commons user Heb Wikimedia Commons/Heb WPCOM/Heb
Usage Terms: Creative Commons Attribution-Share Alike 2.5
License: CC BY-SA 2.5
License Link: http://creativecommons.org/licenses/by-sa/2.5
Attribution Required?: Yes