Комментарии автора сюжета СХ3 -- Хироюки Оваку относительно УФО-концовки:
"I think that those who have seen it know-- it connects
all three works of the series, doesn't it? The truth is that this is what
really happens."
Вопрос исчерпан. УФО-эндинг - официально и однозначно