English: A Pratt & Whitney turbofan engine is tested at Robins Air Force Base, Georgia, USA. The tunnel behind the engine cools the escaping exhaust gases and muffles the intense noise. The mesh cover attached to the forward air inlet is not part of the engine.
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.
*From en:Image:Engine.f15.arp.750pix.jpg, revision as of 08:19 UTC, 2004 Dec 20 *First upload 19:09 UTC, 2004 May 26 by en:User:Arpingstone *Following info is copied from the page of the same revision (08:19 UTC, 2004 Dec 20): A Pratt and Whitn
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