Complex sentence: The IDF has had an annual Krav Maga competition since May 2013 though some Krav Maga organizations do not support a competition component, taking the stance that Krav Maga is not a sport.
Split into simpler sentences: The IDF has had an annual Krav Maga competition since May 2013. Some Krav Maga organizations do not support a competition component, taking the stance that Krav Maga is not a sport.