A US Army soldier deploying a 'stinger' at a vehicle check point in Iraq.
Source: image: http://www.defense.gov/dodcmsshare/newsphoto/2009-02/hires_090213-N-0917W-067.jpg description: http://www.defense.gov/photos/newsphoto.aspx?newsphotoid=10965. http://en.wiktionary.org/wiki/File:US_Army_spike_strip.jpg
Author: Petty Officer 2nd Class Robert J. Whelan, U.S. Navy.