 Finally, there is the argument that by not incorporating women into combat, the American government is failing to tap into another source of soldiers for military combat operations.This argument claims that the government is creating a military that treats women as second-class citizens and not equals of men.Lieutenant colonel Dave Grossman's book "On Killing" briefly mentions that female soldiers in the Israel Defense Forces (IDF) have been officially prohibited from serving in close combat military operations since 1948.