The answer
Until now, there is no strong scientific evidence supporting the existence of UFOs, and so it is not declared to be factual. Therefore, it is only mystical - it may be either military secrets or just imagination.
H.G. Bishop Moussa
H.G. Bishop Moussa · Youth Concerns · 92
Faith Q&A › Youth Concerns › Social, Contemporary, and general issues
What does the church think about UFO’s?
H.G. Bishop Moussa, Bishop of Youth, Youth Concerns (Questions & Answers). Compiled by Lisa Agaybi. Coptic Orthodox Patriarchate, Bishopric of Youth Bookstore.