PTSD has affected 300,000 veterans from Iraq and Afghanistan and has led to a spike in suicides.
Amanda Banks plans to fill in for District 17 Senator Jim Banks who is being deployed to Afghanistan.
Sen. Jim Banks, a Naval Reserve officer, is taking a temporary leave of absence when he is deployed to Afghanistan this fall.
Staff Sergeant Randall Lane of Indianapolis died at Camp Phoenix on Friday.
Camp Atterbury-Muscatatuck is trying to change its focus so it remains a key military complex even as the war in Afghanistan draws down.
The bill is named after a Farmland, Indiana native who died four years ago after returning from service overseas.
Last year, more combat troops took their own life than died in combat in Afghanistan.
Indiana native Aarronn Fields was killed in Afghanistan on May 21.
Arronn Fields died in Afghanistan on May 21 by a rocket-propelled grenade.
The 9/11 commission said the U.S. is safer since 2001, but old and new issues still need to be addressed.