PRI's The World Published by PRI's The World US veterans who enlisted after 9/11 reflect on the past 15 years Listen Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/661613/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend It's become a cliche to call Sept. 11, 2001, a day when everything changed. But for men and women who chose to join the US armed forces after the attack, that day really did change everything.