Keywords: US Navy 091103-N-9892M-097 Lt. Travis Clem recovers a bottom-sampling device during a hydrographic survey of the Buchanan port.jpg en BUCHANAN Liberia Nov 3 2009 Lt Travis Clem a U S Navy hydrographic officer embarked aboard the Dutch navy Africa Partnership Station platform HNLMS Johan de Witt L 801 recovers a bottom-sampling device during a hydrographic survey of the Buchanan port The device is used to gather samples of the seafloor to determine the sediment type of the harbor This survey and other surveys conducted in Greenville and Monrovia will provide data to update navigational charts Johan de Witt is the first European-led Africa Partnership Station platform and is augmented by staff from Belgium Portugal and the United States Africa Partnership Station originally a U S Navy initiative is now an international effort aimed at improving maritime safety and security in Africa U S Navy photo by Lt Steve McIntyre/Released 2009-11-03 091103-N-9892M-097 Navy http //www navy mil/view_image asp id 78123 U S Navy photo by Lt Steve McIntyre PD-USGov-Military-Navy Buchanan Liberia United States Navy in Liberia Coasts of Liberia Africa Partnership Station 2009 November 2009 in Liberia |