GULFPORT, Miss. (AP) -- As the fourth anniversary of the Gulf of Mexico oil spill approaches, the Navy research sub called Alvin will be taking researchers down for a look at the ocean floor.
The research vessel Atlantis is scheduled to carry scientists and Alvin out Monday for the smaller vessel's first research trip since renovation added space for a third scientist.
Reports say that researchers from the University of Georgia, Florida State University, the University of North Carolina and Coastal Carolina University plan 22 dives.
Marine science professor Samantha "Mandy" Joye of the University of Georgia is chief scientist for the voyage.
She says they'll be checking sites they sampled in 2010 to see whether there's been recovery and to compare plants and animals on the bottom to normal communities.