Navy helicopter debris suggests sudden descent, as probe faces challenges:experts

Former senior Canadian Armed Forces officers say it appears a naval Cyclone helicopter struck the waters off Greece with sudden and massive velocity, but investigators may face challenges determining what caused the tragedy without recovering the aircraft. The crash took the lives of six military personnel when it went down Wednesday in the Mediterranean Sea as it was returning to the Halifax-based frigate, HMCS Fredericton. The Canadian Forces members have been identified as Capt. Brenden Ian M