Nicole Victoria "Duke"[1] Aunapu Mann (born June 27, 1977) is an American test pilot and NASA astronaut.

[2][3] She has over 2,500 flight hours in 25 types of aircraft and 200 carrier landings, and has flown 47 combat missions in Iraq and Afghanistan.

[6][7][8][9][10][11] She stayed in space for months, and on January 20, 2023, she became the first Native American woman to go on a spacewalk, which she went on with Koichi Wakata.

[15][2][9][16] Mann graduated in 1995 from Rancho Cotate High School in Rohnert Park, California.

[17] She attended the US Naval Academy and graduated in 1999 with a Bachelor of Science degree in mechanical engineering.

She played for the Navy Midshipmen women's soccer team as a defender, scoring one goal and recording four assists in 75 appearances.

At the time of her selection as an astronaut candidate, she was Joint Mission Planning System Expeditionary Integrated Product Team Lead at PMA-281.

[8][15][9][10][16][11] Mann is also in training for the international Artemis program and is a contender to be the first woman on the Moon as part of the crewed lunar landing currently scheduled for 2026.