Recent tragedies at Rock Island State Park show how crucial it is to keep safety in mind at all times around water.It was with safety in mind a group of 70 swiftwater rescuers from Texas spent last week training at Rock Island. The group from Texas set up a large encampment at the state park and trained jointly with park rangers from throughout Tennessee.Some participants drove more than 20 hours to come to Rock Island for this training session.“Safety around water, especially moving water, is extremely important in our region with so many waterways,” said Rock Island State Park manager Damon Graham. “Most park visitors do not realize the power of water.