Mark Kelly was officially sworn into the United States Senate by Vice President Mike Pence. Serving as a Democratic Senator, Kelly began his term with a focus on issues such as healthcare, veterans' affairs, and gun control.

Mark Kelly won a special election to represent Arizona in the United States Senate. His win flipped a Republican-held seat and marked the beginning of his political career on Capitol Hill.

After a distinguished career, Mark Kelly announced his retirement from NASA and the U.S. Navy to focus on his wife's recovery. His career as an astronaut included four space shuttle missions and notable contributions to space exploration.

Mark Kelly commanded his final spaceflight, STS-134, aboard Space Shuttle Endeavour. The mission’s goal was to deliver the Alpha Magnetic Spectrometer and other critical supplies to the ISS. This marked the last mission of the Space Shuttle Endeavour.

As the commander of Space Shuttle Discovery for the STS-124 mission, Mark Kelly led the crew to install the Japanese Experiment Module 'Kibo' onto the ISS. The mission expanded the capabilities of the ISS and was another major milestone in Kelly's career.

Kelly piloted Space Shuttle Discovery during the STS-121 mission. This mission was essential for testing new safety techniques and delivering equipment to the ISS. The mission provided significant contributions to the safety and future of space exploration.

Mark Kelly piloted Space Shuttle Endeavour on the STS-108 mission, which delivered supplies to the International Space Station (ISS). The mission lasted 12 days and Kelly played a crucial role in its success.

Mark Kelly graduated with a Bachelor of Science degree in Marine Engineering and Nautical Science from the United States Merchant Marine Academy. This marked the beginning of his career in naval aviation and eventually space exploration.

Mark Kelly was born on February 21, 1964, in Orange, New Jersey. He would go on to become a United States Navy captain, astronaut, and politician, serving as a U.S. Senator from Arizona.