mississippi but the conditions are perfect for a training mission with the navy seabees. the plan is to meet them at their campsite and help them build a bridge. is this a real functional bridge or part of an exercise? >> they're going to build essentially the type of bridge they'd build in a real world scenario. >> when they're done, they leave, the bridge stays? >> sorry, no. >> they're taking the bridge? >> yeah, they are. >> is this their camp where they live year round? >> i believe so. do you know the answer to that? >> this is like a deployment mission scenario. it's obviously to go in, build a camp, yeah, secure a perimeter, build foxholes. you know, be on alert. they have the people that go around and they essentially grade the performance to see how they react to everything, making sure that they follow the protocol. >> as usual, taylor is better prepared than i am but the bigger question is, who exactly are the seabees? in a nutshell, they're