Nancy Jane Currie-Gregg is an American engineer, United States Army officer and a NASA astronaut. Currie-Gregg has served in the United States Army for over 22 years and holds the rank of colonel. With NASA, she has participated in four space shuttle missions: STS-57, STS-70, STS-88, and STS-109, accruing 1,000 hours in space. She currently holds an appointment as a professor of practice in the Department of Industrial & Systems Engineering at Texas A&M University.

Troy is a city in and the county seat of Miami County, Ohio, United States, along the Great Miami River. The population was 26,305 at the 2020 census, making it Miami County's largest city and Ohio's 55th-largest. About 19 miles (31 km) north of Dayton, Troy is part of the Dayton metropolitan area.