Krizevici Tunnel entrance. US Army soldiers of the 82nd Engineer Battalion, Engineer Brigade, 1ST Infantry Division (Mechanized), Baumberg, Germany, Camp Dobol, Bosnia-Herzegovina, and the 754th Explosive Ordnance Disposal Unit, Fort Monmouth, New Jersey, Camp Bedrock, BIH, get ready to open the tunnel to go in and inspect for a weapon storage site or a mass grave site. Nothing was found. Operation JOINT GUARD, 18 September 1997