Unbalanced rotor blades may have been at fault in the crash of an MH-60S Seahawk helicopter last month. Pictured an MH-60S Seahawk helicopter performing routine flight operation, Atlantic Ocean ...

An investigation is underway after a U.S. Coast Guard MH-60 Jawhawk helicopter crashed during a search and rescue mission in Alaska, injuring all four crew members, two seriously.

“The U.S. Navy located the probable wreckage of the MH-60S helicopter that crashed into the sea, Aug. 31, near its last known location approximately 60 nautical miles off the coast of San Diego ...

A U.S. Navy MH-60S Seahawk helicopter crashed in Southern California Thursday evening, marking the third military aviation training accident in the state in less than a week.

One sailor was rescued shortly after the MH-60S helicopter crashed Tuesday afternoon and was in stable condition at a San Diego hospital, according to a statement from the Navy's Pacific fleet.

Five people were missing after a U.S. Navy helicopter crashed in the ocean off the coast of San Diego, military officials said. Live look at SoCal: Big Bear, Santa Monica & more.

Photo collage of the five Sailors killed when an MH-60S Seahawk helicopter crashed approximately 60 nautical miles off the coast of San Diego, Aug. 31.

The U.S. Navy is looking for five crew members who were aboard an MH-60S helicopter when it crashed off the coast of San Diego during routine flight operations Tuesday afternoon.

On Saturday, five members of the 160th Special Operations Aviation Regiment, known as the Night Stalkers, were killed when the MH-60 Blackhawk helicopter crashed over the Mediterranean Sea during ...

The MH-60 Jayhawk crashed on Read Island, about 80 miles east of Sitka, on Nov. 13. The Coast Guard says the helicopter was recovered Friday. An investigation into the Nov. 13 crash continues.

Five people are missing after a U.S. Navy helicopter crashed into the Pacific Ocean off the coast of San Diego, military officials said Tuesday.