Four crew members sustained injuries following the crash of a US Coast Guard MH-60 Jayhawk helicopter near Sitka, Alaska, during a routine training flight.Emergency responders transported all victims to Mt. Edgecumbe Medical Center, and officials have confirmed there were no fatalities associated with the incident.This accident adds to a series of recent US aviation tragedies, including fatal crashes involving a business jet, a
B-52 bomber, and a skydiving aircraft.