To celebrate the upcoming anniversary of the day she became a Kennedy (Sept. 12), LIFE presents rare outtakes from our famous coverage of JFK's stunning, stylish wife. See photos of Jackie taken during the couple's 10 years together: on her wedding day, on the campaign trail, and more. Pictured: Jackie smiles beside a small private plane she used in 1960 during her husband's presidential campaign, her smart bag perched on the wing.