Retired Major General Jeanne Holm was the highest-ranking woman ever to serve in the U.S. Armed Forces. She worked her way up the to become a major general and in 1976 was appointed Special Assistant for Women to the President. She also served on DACOWITS, the Defense Advisory committee on Women in the Services. Holm has written a book, "Women in the Military: An Unfinished Revolution." She says that though discrimination against women in the military still exists, it's impossible for America to engage in a war without women.