OMCE, Order Militia Crucifera Evangelica. The OMCE is is an international non-profit fraternal organisation. The Order, which studies such subjects as metaphysics, mysticism, gnosticism, 17th Century Rosicrucianism and Rosicrucian history, expresses itself using the oral, ancient, western esoteric tradition. The OMCE also promotes projects consecrated to the spiritual upliftment of humankind.