U.S. Muslim service members say they stand out in both their worlds. Among fellow troops, that can mean facing ethnic taunts, awkward questions about spiritual practices and a structure that is not set up to accommodate their worship. Among Muslims, the questions can be more profound: How can a Muslim participate in killing other Muslims in such places as Iraq and Afghanistan? Just 3,557 members of the 1.4 million-member U.S. armed forces describe themselves as Muslim, and followers of Islam said the military is just starting to accommodate them by recruiting Muslim chaplains, creating Muslim prayer spaces and educating other troops about Islam. Muslims in the military seek bridge between worlds - washingtonpost.com This is an all volunteer military. Nobody forces anyone to join. Muslims know about the wars, why do they join? and that question was predicated on those who joined post 9-11.