Complex sentence: The Blowpipe missile is British built manportable surface-to-air missile used by both sides during the conflict, its performed poorly--official British reports attributed nine kills to the missile out of 95 fired.
Split into simpler sentences: The Blowpipe missile is a British built man-portable surface-to-air missile used by both sides during the conflict. It performed poorly; official British reports attributed nine kills to the missile out of 95 fired.