In April of 2021, Research Historian, Kali Martin, discussed the three services, that were all under the Department of the Navy, with each branch incorporating women reservists in a unique way.   In 1942, the US Navy, Marine Corps, and Coast Guard opened their ranks to most women. Despite more stringent enlistment requirements put on women, compared to their male counterparts, by the end of the war, more than one hundred 15 thousand women had joined the WAVES, SPARS, and Women Reservists.   If you would like to view the original lecture, you can see it here: https://youtu.be/7OU_tIv276k