Keywords: US Navy 030315-N-1050K-035 Machinist's Mate 3rd Class Donald Weber, a recalled reservist from Dubuque, Iowa, prepares to pull the pin on a concussion grenade he will drop in the waters of the North Arabian Gulf.jpg en Camp Patriot Kuwait Mar 15 2003 -- Machinist's Mate 3rd Class Donald Weber a recalled reservist from Dubuque Iowa prepares to pull the pin on a concussion grenade he will drop in the waters of the North Persian Gulf The exercise is a part of his grenadier certification process In a joint training exercise with the U S Coast Guard Petty Officer Weber and other Sailors assigned to Inshore Boat Unit One Three IBU-13 completed grenadier certification recently in preparation for future operations in the Central Command Area of Responsibility Offensive concussion grenades are used as anti-swimmer devices in port security operations IBU-13 homeported in Portland Ore is deployed in support of Operation Enduring Freedom U S Navy photo by Journalist 1st Class Joseph Krypel RELEASED 2003-03-15 030315-N-1050K-035 Navy http //www navy mil/view_image asp id 5241 U S Navy photo by Journalist 1st Class Joseph Krypel PD-USGov-Military-Navy Camp Patriot Inshore Boat Units Military helmets of the United States Concussion grenades |