Himitsu Sentai Gorenger

As world peace is being unbalanced due to the emergence of the Black Cross Army, the United Nations has established a peacekeeping organization called "EAGLE" or the Earth Guard League to combat the dangerous terrorist group. Upon the placing of the EAGLE bases across Japan, the Black Cross Army under takes a sneak attack at five of the EAGLE bases leaving all of the personnel dead except for five members from the five destroyed bases. (imdb)