From the official announcement:

The Army released suicide data today for the month of September.  During September, among active-duty soldiers, there were 15 potential suicides:  one has been confirmed as suicide and 14 remain under investigation.  For August, the Army reported 16 potential suicides among active-duty soldiers; since the release of that report one case was removed for a total of 15 cases: five have been confirmed as suicides and 10 remain under investigation.  For 2012, there have been 146 potential active-duty suicides:  91 have been confirmed as suicides and 55 remain under investigation.  Active-duty suicide number for 2011: 165 confirmed as suicides and no cases under investigation. 

During September, among reserve component soldiers who were not on active duty, there were 16 potential suicides (13 Army National Guard and three Army Reserve):  one has been confirmed as suicide and 15 remain under investigation.  For August, among that same group, the Army reported nine potential suicides; since the release of that report two cases were added for a total of 11 cases (seven Army National Guard and four Army Reserve): five have been confirmed as suicides and six remain under investigation.  For 2012, there have been 98 potential not on active-duty suicides (64 Army National Guard and 34 Army Reserve):  67 have been confirmed as suicides and 31 remain under investigation.  Not on active-duty suicide numbers for 2011:  118 (82 Army National Guard and 36 Army Reserve) confirmed as suicides and no cases under investigation.

These are casualties of war…they just aren’t being counted as such.