@CNN: A broken pipe may help explain why a famous Civil War submarine sank off of Charleston, South Carolina, more than 150 years ago https://t.co/30YYOev1dF https://t.co/a4tG3xn2Xo

@CNN: A broken pipe may help explain why a famous Civil War submarine sank off of Charleston, South Carolina, more than 150 years ago https://t.co/30YYOev1dF https://t.co/a4tG3xn2Xo