Meet Jake Bleacher, an astrogeologist in the solar system exploration division at Goddard Space Flight Center. He studies lava flows on the Earth and on other planets. Dr. Bleacher is also a participant in the Desert Research and Technology Studies (Desert R.A.T.S. or D-R.A.T.S.).
Meet Jim Rice, an astrogeologist whose work has taken him to every continent on the globe. Among the many activities he has done as part of his work at NASA Goddard Space Flight Center, some of Dr. Rice's favorites include participating in Desert R.A.T.S and working with the Mars rovers.
GCMD keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 18.104.22.168.0