Complex sentence: He noted that for instance, Russian crews drove on the peaks of hills (making them more visible targets) to avoid rough terrain, and continued to do this throughout the war, with no training or experience correcting this.
Split into simpler sentences: He noted that for instance, Russian crews drove on the peaks of hills to avoid rough terrain, however this made them more visible targets. They continued to do this throughout the war, with no training or experience correcting this.