Couric joined "NBC News" in 1989 as Deputy Pentagon Correspondent. From 1989 to 1991, Couric was an anchor substitute. She filled in for Bryant Gumbel as host of "Today", Jane Pauley, and Deborah Norville as co-anchor of "Today", Boyd Matson, Garrick Utley, Mary Alice Williams, and Maria Shriver as co-host of Sunday "Today", and Connie Chung, Bob Jamieson, John Palmer, Deborah Norville, Faith Daniels, Margaret Larson and Ann Curry as anchor of the former NBC News program "NBC News at Sunrise". She also subbed for Daniels, Norville, and John Palmer as the news anchor on "Today".