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Christa McAuliffe, NASA's first teacher in space, smiles after she was suited up for her space flight, Jan. 27, 1986, at the Kennedy Space Center in Florida. (NASA via AP, File)

Christa McAuliffe, NASA's first teacher in space, smiles after she was suited up for her space flight, Jan. 27, 1986, at the Kennedy Space Center in Florida. (NASA via AP, File)

A model of the space shuttle Challenger, at right, floats above a portrait of NASA's first teacher in space Christa McAuliffe at the McAuliffe-Shepard Discovery Center, Monday, Dec. 16, 2024, in Concord, N.H. (AP Photo/Charles Krupa)

A model of the space shuttle Challenger, at right, floats above a portrait of NASA's first teacher in space Christa McAuliffe at the McAuliffe-Shepard Discovery Center, Monday, Dec. 16, 2024, in Concord, N.H. (AP Photo/Charles Krupa)

With a poster of NASA's first teacher in space Christa McAuliffe displayed on the wall, students head to their next period class from one of classrooms where McAuliffe taught at Concord High School, Monday, Dec. 16, 2024, in Concord, N.H. (AP Photo/Charles Krupa)

With a poster of NASA's first teacher in space Christa McAuliffe displayed on the wall, students head to their next period class from one of classrooms where McAuliffe taught at Concord High School, Monday, Dec. 16, 2024, in Concord, N.H. (AP Photo/Charles Krupa)

A student passes a selection of memorabilia featuring Christa McAuliffe, NASA's first teacher in space, is displayed at the McAuliffe-Shepard Discovery Center, Monday, Dec. 16, 2024, in Concord, N.H. (AP Photo/Charles Krupa)

A student passes a selection of memorabilia featuring Christa McAuliffe, NASA's first teacher in space, is displayed at the McAuliffe-Shepard Discovery Center, Monday, Dec. 16, 2024, in Concord, N.H. (AP Photo/Charles Krupa)

Christa McAuliffe, NASA's first teacher in space, rides with her children Caroline and Scott past the Statehouse during a parade, Saturday, July 21, 1985 in Concord, N.H. (AP Photo/Jim Cole, File)

Christa McAuliffe, NASA's first teacher in space, rides with her children Caroline and Scott past the Statehouse during a parade, Saturday, July 21, 1985 in Concord, N.H. (AP Photo/Jim Cole, File)

A selection of memorabilia featuring Christa McAuliffe, NASA's first teacher in space, is displayed at the McAuliffe-Shepard Discovery Center, Monday, Dec. 16, 2024, in Concord, N.H. (AP Photo/Charles Krupa)

A selection of memorabilia featuring Christa McAuliffe, NASA's first teacher in space, is displayed at the McAuliffe-Shepard Discovery Center, Monday, Dec. 16, 2024, in Concord, N.H. (AP Photo/Charles Krupa)

With a poster of NASA's first teacher in space Christa McAuliffe displayed on the wall, teacher Kimberly Bleier instructs her students in one of classrooms where McAuliffe taught at Concord High School, Monday, Dec. 16, 2024, in Concord, N.H. (AP Photo/Charles Krupa)

With a poster of NASA's first teacher in space Christa McAuliffe displayed on the wall, teacher Kimberly Bleier instructs her students in one of classrooms where McAuliffe taught at Concord High School, Monday, Dec. 16, 2024, in Concord, N.H. (AP Photo/Charles Krupa)

The space shuttle Challenger is destroyed shortly after lifting off, Tuesday, Jan. 28, 1986, at the Kennedy Space Center in Florida. The crew of seven, including NASA's first teacher in space Christa McAuliffe, died in the explosion. (AP Photo/Bruce Weaver, File)

The space shuttle Challenger is destroyed shortly after lifting off, Tuesday, Jan. 28, 1986, at the Kennedy Space Center in Florida. The crew of seven, including NASA's first teacher in space Christa McAuliffe, died in the explosion. (AP Photo/Bruce Weaver, File)

A crowd surrounds the newly-unveiled statue of Christa McAuliffe, NASA's first teacher in space, outside the Statehouse, Monday, Sept. 2, 2024, in Concord, N.H. (AP Photo/Holly Ramer, File)

A crowd surrounds the newly-unveiled statue of Christa McAuliffe, NASA's first teacher in space, outside the Statehouse, Monday, Sept. 2, 2024, in Concord, N.H. (AP Photo/Holly Ramer, File)