The Yucaipa Church of Christ 2017 Lectureship Theme: the Uniqueness of the Lords Church. Sun. Speaker Mashall Steward of the Barstow COC, Sun. Evening Speaker Corey Jackson of the Moreno Valley COC, Mon. Evening Speaker Sam King of the Moreno Valley COC, Tue. Evening Speaker Larry Tiffin of the Valley Church of Christ, Wed. Evening Richard Shields of the Newland St. COC