While it wasn’t until 2016 that women began serving in direct ground combat, generations of women worked alongside service members, especially as nurses, since as early as the Revolutionary War.

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Opportunities for women to serve remained limited until World War II, however, when the number of men fighting overseas left a huge void that needed to be filled.
Military leaders turned to women to step into some noncombat roles. In all, 350,000 American women served in uniform during World War II. This shift culminated in the Women’s Armed Services Integration Act, signed on June 12, 1948, which allowed women to serve officially in all four branches of the armed forces.
Within the Coast Guard, more than 10,000 women volunteered during World War II for the Women’s Reserve, also known as the SPARs, which stood for “Semper Paratus — Always Ready.” But like most women’s units at the time, the SPARs were not intended to be a permanent branch of the military and were deactivated soon after the war ended.
The second wave of SPARs
However, the SPARs were activated again amid the Vietnam War, but recruited only 75 women.