Gospel Crusade is the Christian foundation created by Henry Brunk in 1953 and further developed by Dr. Gerald Derstine. This organization developed numerous Christian Retreats for Christians to hold conferences, retreats or vacations. Retreats developed include Christian Retreat Bradenton, Strawberry Lake Christian Retreat, and North Country Christian Retreat. Several other Missionstrial organizations began from Gospel Crusade, including Gospel Crusade Canada, Gospel Crusade Phillipines and Gospel Crusade Haiti.