The shooter tried to speed through a gate at the base in a vehicle, but security personnel put up a barrier in time to stop the shooting, US officials said.
The Cyclone helicopter was deployed onboard the Halifax-class frigate HMCS Fredericton and was participating in a NATO training exercise off the coast of Greece when the incident occurred, according to the Canadian Armed Forces.
The incident comes three days before the 78th anniversary of the December 7, 1941 attack on the naval base that led the United States to enter World War II by declaring war on Japan.
Okinawa hosts about half of the 54,000 American troops stationed in Japan, and is home to 64 percent of the land used by the US bases in the country. Residents have long complained about crime, noise and the destruction of the environment.
The Iranian-managed oil tanker, collided with a grain-carrying freighter on Saturday and has been ablaze ever since.
Francois Gabart set a number of new solo race records in completing his mammoth feat, including the fastest navigation of the Pacific and the longest distance covered in 24 hours.
Search efforts are under way to locate the personnel after the guided-missile destroyer USS John S McCain collided with oil tanker Alnic MC east of Singapore, the US Navy says.
Emirates Team New Zealand claimed international sport's oldest trophy with a stunning 7-1 victory in Bermuda's Great Sound.
A drinking ban has been imposed to control soldiers after a series of incidents took place where US soldiers misbehaved with locals.
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2023 TRT World.