Keywords: Seabee with surveying prism.jpg en 090929-N-9564W-106 HELMAND PROVINCE Afghanistan Sept 29 2009 Engineering Aid 2nd Class Adolfo Valdez from San Diego Calif assigned to Headquarters Company of Naval Mobile Construction Battalion NMCB 74 records topographical data using a prism pole with a data collection attachment Valdez and his team are conducting a topographical survey at the Camp Leatherneck expansion site 090929-N-9564W-106 Navy http //www navy mil/view_image asp id 78281 Mass Communication Specialist 1st Class Ryan G Wilber 2009-09-29 PD-USGov-Military-Navy Surveying prisms Trimble Camp Leatherneck Naval Mobile Construction Battalion 74 United States Navy in Helmand Province |