Complex sentence: After a call for the mutinous soldiers to surrender failed, the company demolished the front of the guardroom with a deftly placed shot from an anti-tank rocket launcher, which resulted in a large number of distressed soldiers pouring out into the open.
Split into simpler sentences: After a call for the mutinous soldiers to surrender failed, the company demolished the front of the guardroom, with a deftly placed shot from an anti-tank rocket launcher. The culmination of the decision proved successful, with a large number of distressed soldiers pouring out into the open.