http://www.flashcardexchange.com/tag/21-20 www.flashcardexchange.com: 21-20 Flashcards en-us Sun, 27 May 2012 12:56:48 PDT Sun, 27 May 2012 12:56:48 PDT support@flashcardexchange.com 720 http://www.flashcardexchange.com/flashcards/view/1507753 Questions from the Army Study Guide concerning Physical Fitness. Taken from FM 21-20. 2010-10-18 http://www.flashcardexchange.com/flashcards/view/1507753 http://www.flashcardexchange.com/flashcards/view/681760 FM 21-20 AR 350-1 2008-10-18 http://www.flashcardexchange.com/flashcards/view/681760