190822-N-TC182-1009 SANTA RITA, Guam (Aug. 22, 2019) A Marine, assigned to 3rd Marine Expeditionary Division, Explosive Ordnance Disposal 1st Platoon, exchanges knowledge on the use of mechanical-breaching techniques with a member of MHNZS Matataua during a subject matter expert knowledge exchange as part of Exercise Hydracrab. Hydracrab is a quadrilateral exercise conducted by forces from Australia, Canada, New Zealand and U.S. naval forces. The purpose of this exercise is to prepare the participating explosive ordnance disposal (EOD) forces to operate as an integrated, capable and potent allied force ready to respond to a changing and complex maritime environment in the Indo-Pacific region. (U.S Navy photo by Construction Mechanic 2nd Class Monica Wahls/Released)