especially for the commercial vessels and they had cargo and fuel and everything. making sure that it's safe for them to come in and make sure they don't hit anything and it's safe. >> one thing we witnessed is we saw them lined up. i will grab my cameraman and turn him a little bit. the green dot, explain how they use that. >> for those of you familiar with the water, that's a buoy. how mariners make sure they know which side of the channel to be on and steer between certain buoys. those are vital as far as the commercial boats coming in. >> as you can imagine, the power of the hurricane coming through here definitely disrupted some of this. they have seen damage, but the good news is it looked like the shipping channel may be back open soon. we still have one more step before it's over. >> we have one more step to make sure we open it back up and get normalcy going back here in the