About
Mark Edward Kelly is an American politician, retired astronaut, and former naval officer. He currently serves as the senior United States senator from Arizona, a position he has held since 2020. As a member of the Democratic Party, he represents Arizona in the Senate. Before his political career, Kelly gained fame as a NASA astronaut.
Career Timeline
Ensign in United States Navy
Kelly begins his naval career as a pilot.
Selected as NASA Astronaut
Selected as astronaut, boosting his profile and future prospects.
First Space Shuttle Flight
His first mission made him a well-known figure.
Final Space Shuttle Mission
Commands STS-134, his last space mission.
Retires from NASA
Kelly's transition to private sector, book deals, speaking engagements.
Elected to U.S. Senate
Kelly begins serving as Senator for Arizona.
Senator for Arizona
Continues service as a U.S. Senator.
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Last updated: February 24, 2026