EDIT3: Thanks for very varied answers. I with I could approve two answers and not just one. The question was answered, by both Omegacron and Nate Watson. While Omegacron's answer is much better formatted, Watson's had more relevant examples. My question is about kinetic projectiles like simple shells and debris, not about nukes or chemical weapons, which almost everyone here insists on bringing up. However, these two answers, as well as Jim2B's, paint a complete picture about Federation hulls. Which is "nowhere near as tough as the theory behind them claims" I've had a discussion with someone, a silly what-if - NCC-1701-x Enterprise vs Battlestar Galactica 2004. We've been unable to conclude who would get the upper hand - Galactica with it's huge size, incredibly thick armour, rain of metal fire, nukes and armour-piercing explosive rounds that could level Pentagon in a hit, or Enterprise, with it's shields, high-tech, and great, but highly concentr...