idden under the vast crystal blues of the Paci? c, a sub-marine is hunted from above. A cen-Hturies-old game of cat and mouse drives the technologi-cal advancements in the ongoing race to conquer the undersea realms. To-day, enhanced capability in both anti-submarine and anti-surface technol-ogy is transforming anti-submarine warfare, known as ASW. BY KIRA COLEYPhoto: CMREMay 201726 MTRMTR #4 (18-33).indd 26 MTR #4 (18-33).indd 26 4/26/2017 12:29:04 PM4/26/2017 12:29:04 PM