Monday's radar work included calibration passes over Palm Valley, Northern Territory in Australia, and the Amazon forests of Brazil; oceanography observations over the Northeast Pacific Ocean, the Gulf Stream, the Southern Ocean and the Gulf of Mexico; ecology observations over Altona, Manitoba, Canada; geology observations over the Bighorn Basin, Wyoming; hydrology studies of Mammoth Mountain, California, and geology studies of the tectonic activity around the Galapagos Islands of the southeastern Pacific.