FILE - In this March 30, 1947, file photo, Groom Bob Groves leads Man O' War outside the stables near Lexington, Ky. The banner on flowers reads "Happy Birthday," marking the horse's 30th birthday. The Kentucky Horse Park is planning a year-long celebration to honor the great thoroughbred Man o' War. The Lexington tourist attraction said its plans to open an exhibit March 29, 2017, featuring artifacts from Man o' War's illustrious career as a racehorse and sire. The celebration is part of observances planned for the horse's 100th birthday. (AP Photo/Martin Jessee, File)