The U.S. military’s demographics over the years have become increasingly representative of the American population. Yet gender demographics in the armed services continue to be unequal, with women today representing just 16% of enlisted forces as of 2020. That statistic is largely due to centuries of laws and regulations that kept women from performing many roles and duties. Consider that women couldn’t fly in combat missions until 1991, didn’t have access to all combat roles until 2015, and that the first woman to be deemed submarine-qualified did so in 2016. Despite these obstacles, American women have pushed to find ways (at times, creatively) to serve their country since the Revolutionary War.
To showcase their patriotism and sacrifice, Stacker compiled a list of 30 women who broke barriers throughout U.S. military history based on historical sources, news outlets, and various branches’ press releases. The achievements of these women span all branches of the military—from land to air to sea—and more than two centuries. Many of these breakthroughs, moreover, transcended military service: Several women earned historic promotions in rank, and thus noteworthy leadership roles supervising cadets or commanding troops; others won nationally renowned distinction such as the Purple Heart and Silver Star for their combat bravery, valor, and performance.
The list is in chronological order, starting with an 18th-century hero and ending with women setting records in the present day. From women who pretended to be men so they could serve during the Revolutionary and Civil Wars to the first female four-star general in the U.S., here are 30 women who broke through the glass ceiling of the U.S. military.
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1782: Deborah Sampson
Bettmann // Getty Images
Deborah Sampson was one of several documented women who fought in the Revolutionary War. Sampson disguised herself as a man and joined the 4th Massachusetts Regiment as Robert Shirtliff. She closely guarded her secret, even removing a pistol ball from her own thigh to avoid detection by medics. Her true identity wasn’t discovered until she fell ill during an epidemic more than a year into her service and received medical care. Later, the Massachusetts legislature granted Sampson a pension, stating she had “exhibited an extraordinary instance of female heroism.”
1856: Sarah Emma Edmonds
Under the male alias of Franklin Flint Thompson, Sarah Emma Edmonds served during the Civil War. Thompson was born in Canada but moved to the U.S. in 1856 to escape a forced marriage and abusive father. Stateside, she enlisted as a male field nurse in the Union Army. She also reportedly worked as a spy who successfully infiltrated the Confederate Army.
Matthew Brady // Wikimedia Commons
1865: Mary Edwards Walker
Mary Edwards Walker became the first woman surgeon for the Union Army during the Civil War. She was captured in 1864 by Confederates and was held as a prisoner of war for four months. Upon her return, President Andrew Johnson awarded Walker with the Medal of Honor in 1865—the military’s highest distinction. To this day, Walker is the only woman to have ever received this medal.
Joint Base San Antonio
1866: Cathay Williams
Cathay Williams was the first African American woman to serve in the U.S. military. Using the pseudonym William Cathay, she pretended to be a man and successfully served as a Buffalo Soldier until she revealed her true identity in 1868.
Underwood and Underwood // Wikimedia Commons
1917: Loretta Perfectus Walsh
Although women had worked as civilian nurses in the Navy during World War I, they were banned from other positions. That changed in 1917 when Loretta Perfectus Walsh became the first woman to enlist in the Naval Reserves. She was sworn in just one month before the United States declared war on Germany. Newspapers around the U.S. covered the breaking news, which led to heightened enlistment numbers that helped bolster the military during the conclusion of World War I.
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US Marine Corps // Wikimedia Commons
1918: Opha May Johnson
Opha May Johnson became the first female in the United States Marine Corps in 1918. Little is known about her time in the corps, but historians do know she served with 300 other women during World War I. Their role? To resume office jobs at Marine Corps headquarters for men who would be shipping out to France. The patronizing nickname for these women—“Marinettes”—was dropped by World War II as respect for their vital role grew.
National Archives Photo
1942: Lt. Annie G. Fox
In 1942, Lt. Annie G. Fox became the first woman in U.S. history to be awarded a Purple Heart. Fox helped care for the wounded as chief nurse at Hickam Field during the attack on Pearl Harbor on Dec. 7, 1941. Fox was not injured, but nevertheless received the Purple Heart for her “singularly meritorious act of extraordinary fidelity or essential service.”
Coast Guard Compass
1942: Dorothy Tuttle
Dorothy Tuttle was the first-ever recruit to join the SPARs, otherwise known as the Coast Guard Women’s Reserves. Women in this organization served the U.S. military by taking over office duties for men needed elsewhere during World War II.
U.S. Air Force Photo
1943: Lt. Elsie S. Ott
Lt. Elsie S. Ott was assigned as a flight nurse to bring five very ill patients from India to Washington D.C. during World War II in what was the first intercontinental aeromedical evacuation. At the time, Ott had never flown in an airplane and was without any evacuation training. Ott successfully brought home the patients, and in so doing earned the distinction of being the first woman in U.S. history to receive the Air Medal.
Air Force Enlisted Heritage Research Institute // Wikimedia Commons
1948: Esther Blake
On July 8, 1948, Esther Blake became the first woman to join the United States Air Force. The widowed mother of two sons (both serving), enlisted in the Women’s Army Corps in 1944 to help end the war after her oldest son was shot down in service while flying a B-17 and reported missing. Her efforts only increased after that. Although women weren’t allowed to fight, Blake enthusiastically took on office jobs in order to relieve men so they could enter combat positions. Both of her sons were eventually found and returned home safely—meanwhile, Blake continued to serve in the Air Force until 1954.
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U.S.Army // Wikipedia Commons
1958: Ruby Bradley
Col. Ruby Bradley is one of the most decorated nurses in U.S. military history. Bradley was known as the “Angel in Fatigues,” a nickname she earned while caring for prisoners of war in the Philippines. She survived World War II and the Korean War, and in 1958 became the third woman in the U.S. to be promoted to colonel.
National Archives & Records Administration
1972: Elizabeth Barrett
Cmdr. Elizabeth Barrett was the highest-ranking female naval line officer in Vietnam, overseeing hundreds of people during the time she served as the Commanding Officer of the Naval Advisory Group. Barrett’s tenure marks the first time in U.S. history a woman held command in a combat zone.
Nat’l Museum of the U.S. Navy // Wikimedia Commons
1990: Darlene Iskra
Cmdr. Darlene Iskra paved the way for women from the beginning of her career in the Navy. She was one of the first women to graduate from the Naval School of Diving and Salvage as a diving officer, and later became the first woman to command a U.S. Naval ship—the USS Opportune—in 1990.
Justin Sullivan // Getty Images
1991: Martha McSally
Lt. Col. Martha McSally is the first female fighter pilot in combat in the U.S. Air Force. She achieved this first in 1991 after Congress had struck down a law barring women from flying warplanes in combat. McSally has since moved into politics and was sworn into the Arizona Senate in 2019.
Daniel Knighton // Getty Images
1993: Jeannie Marie Leavitt
Jeannie Marie Leavitt achieved many firsts in the United States Air Force. Throughout her career, she became the first female fighter pilot, the first to graduate from the Air Force Weapons School, and the first woman to command an Air Force combat fighter wing.
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David McNew // Getty Images
1999: Eileen Collins
U.S. Navy Photo // Wikimedia Commons
2000: Kathleen McGrath
No woman had ever commanded a U.S. Navy warship until Capt. Kathleen McGrath took command of a 453-foot ship called USS Jarrett. Beginning in 2000, McGrath led her ship into the Persian Gulf to stop oil smugglers.
U.S. Air Force Photos
2004: Linda McTague
Col. Linda McTague does not view herself as a pioneer, even though many do. McTague is the first woman to command an Air National Guard wing and is believed to be the first woman in U.S. history to command an Air Force fighter squadron.
Jeremy D. Crisp/U.S. Army // Getty Images
2005: Leigh Ann Hester
Sgt. Leigh Ann Hester in 2005 became the first woman since World War II to receive the Silver Star—one of the most coveted awards given to members of the U.S. armed forces for bravery and valor in combat. Hester was awarded the medal after fighting off insurgents in Iraq during the war on terror.
The U.S. Army // Flickr
2008: Ann Elizabeth Dunwoody
Gen. Ann Elizabeth Dunwoody is the first woman in U.S. military history to be promoted to four-star general. Gen. Dunwoody is known for her leadership skills and for her work preventing sexual assault in the U.S. Army.
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Petty Officer 2nd Class Richard Brahm/U.S. Coast Guard // Flickr
2011: Sandra Stosz
In 2011, Vice Adm. Sandra Stosz became the first woman to lead a U.S. military service academy when she was selected to be the superintendent of the U.S. Coast Guard Academy. A graduate of the U.S. Coast Guard Academy herself, Stosz later went on to serve as deputy commandant for mission support.
Zach Gibson // Getty Images
2012: Tammy Duckworth
Before she was elected to the U.S. Senate, Sen. Tammy Duckworth was an Iraq War veteran and Purple Heart recipient. During her time in Iraq, Duckworth’s helicopter was hit by an RPG, resulting in her losing both her legs. Upon her election to the U.S. House of Representatives in 2012, Duckworth became the first woman with a disability to be elected to Congress.
Official U.S. Navy Page // Flickr
2014: Michelle Howard
Naval Adm. Michelle Howard solidified her spot in the U.S. military record books for breaking barriers in many aspects of her career. A few of her accomplishments include becoming the first female four-star admiral, the first female four-star admiral to command operational forces, and the first female graduate from the U.S. Naval Academy to be promoted to flag officer.
Jessica McGowan // Getty Images
2015: Kristen Griest
Capt. Kristen Griest was one of the first women to graduate from the Army Ranger School and has since become the first woman infantry officer in the U.S. Army. Women were barred from becoming infantry officers until 2015 when the defense secretary declared all combat roles were opened to women.
Jessica McGowan // Getty Images
2015: Shaye Haver
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US Department of Defense
2016: Kate Alfin
Army Capt. Kate Alfin completed the Allied Winter Course at the Norwegian School of Winter Warfare in 2016, becoming the first woman soldier of any allied NATO military to do so. During the 26-day course, Alfin not only learned how to survive in cold environments but also acquired mobility and leadership skills.
Drew Anthony Smith // Getty Images
2016: Lori Robinson
Gen. Lori Robinson became the highest-ranking female in United States military history in 2016 when she assumed command of the North American Aerospace Defense Command and United States Northern Command. In an interview with Time in 2017, Robinson reported that her two bosses were the president of the United States and the Canadian prime minister.
Vaughn Ridley // Getty Images
2016: Christy Wise
Despite losing her leg in 2015, Capt. Christy Wise did not lose her will to fight. Only a year after the injury and many hours of rehab later, Wise became the first woman amputee in U.S. Air Force history to regain her wings.
Chief Mass Communication Specialist Kenneth G. Takada // Department of the Navy
2016: Dominique Saavedra
Chief Petty Officer Dominique Saavedra became the first woman in the Navy to qualify to serve on a submarine. In 2016 she received the prestigious silver dolphin pin and later served on a guided-missile submarine.
CJCS // Flickr
2017: Simone Askew
At only 20 years old, Simone Askew became the first Black woman to become West Point’s top cadet. As first captain of the school’s 4,400-member Corps of Cadets, Askew is tasked with planning class agendas and acting as the point of contact between cadets and school officials.
This story originally appeared on Stacker.