Let them ask.
"In 2011 the US military lost 165 soldiers to suicide, [in] 2009 [...] 160."
"[At] the end of November the suicide deaths are up to 303."
"Putting this in perspective,[...] the overall US death toll in Afghanistan is 307, including non-combat deaths."
http://www.globalresearch.ca/us-lost-more-troops-to-suicide-than-combat-...
"The report, issued by the Center for a New American Security, recommends that Congress repeal a provision in last year’s [2010] National Defense Authorization Act that bars military commanders from talking with troops about troops’ personally owned firearms — a factor in nearly half of soldier suicides last year."
http://thinkprogress.org/security/2011/11/07/362689/nra-military-suicides/#