US Airways Capt. Chesley "Sully" Sullenberger prepares to testify before a House Judiciary subcommittee on Capitol Hill on Dec. 16, 2009.

Retired pilot Chesley “Sully” Sullenberger is known for safely landing an airplane on the Hudson River in 2009. This week, he announced that he has Alzheimer’s disease.

(Image credit: Chip Somodevilla)