US warship collides with Japanese tug boat, latest mishap for the Navy's 7th Fleet (ABC News)

A U.S. warship collided with a Japanese commercial tug boat in Japan's Sagami Bay on Saturday, marking the fifth time this year that a ship in the U.S. Navy's 7th Fleet in the Pacific has been involved in a crash.

The Japanese tug boat lost propulsion and drifted into the USS Benfold during a towing exercise. The U.S. guided-missile destroyer sustained minimal damage, and there were no reported injuries on either vessel, according to a press release from the U.S. Navy's 7th Fleet.

The USS Benfold, which is awaiting a full damage assessment, remains at sea under its own power. The incident will be investigated, the 7th Fleet said.

Here's a look at previous crashes involving U.S. Navy warships in 2017, including two deadly collisions that left 17 sailors dead:

Jan. 31: The USS Antietam runs aground off coast of Japan

The USS Antietam ran aground off the coast of Japan on Jan. 31, damaging its propellers and spilling oil into the water.

The guided-missile destroyer grounded near the U.S. Naval base in Yokosuka, Japan, after anchoring out in high winds, the Navy Times reported.

PHOTO: The U.S. Navy's guided missile cruiser USS Antietam (CG-54) is seen docked at a port in Manila, March 14, 2016. (Noel Celis/AFP/Getty Images) More

The crew noticed the ship was dragging its anchor before getting it back underway, according to the Navy Times, adding that the crew then felt the ship shudder and lose pitch control of its propellers.

About 1,100 gallons of oil were dumped into the Tokyo Bay, the Navy Times reported. No one was injured.

A Navy investigation revealed that the former Capt. Joseph Carrian of the USS Antietam was "ultimately responsible" for the ship’s running aground, causing an estimated $4.2 million in damage, according to Stars and Stripes.

May 9: The USS Lake Champlain collides with South Korean fishing boat

The USS Lake Champlain, also a guided-missile cruiser, collided with a South Korean fishing boat in the Sea of Japan May 9.

The warship was engaged in routine training when it collided with the 9.8-ton fishing boat off South Korea's east coast, according to The Associated Press.

PHOTO: An F/A-18E Super Hornet lands on the flight deck of the USS Carl Vinson and the USS Lake Champlain (CG 57) (L) and the Arleigh Burke-class guided-missile destroyer USS Wayne E. Meyer (DDG 108), May 3, 2017, in the western Pacific Ocean. (Sean M. Castellano/U.S. Navy via Getty Images) More

No one was injured in the incident.

The warship tried to alert the fishing boat before the collision but it was too late.

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June 17: The USS Fitzgerald collides with a Philippine container ship

Seven U.S. sailors were killed when the USS Fitzgerald collided with Philippine-flagged container ship in the middle of the night off the coast of Yokosuuka, Japan, June 17.

The destroyer was operating about 56 nautical miles southwest of Yokosuka when it collided with the ACX Crystal. Most of the Fitzgerald's 300 crew members on board would have been asleep at the time, The Associated Press reported.

The Fitzgerald sustained damage on its starboard side and experienced flooding in some spaces as a result of the collision, according to the Navy.

PHOTO: The USS Fitzgerald sits in Dry Dock 4 at Fleet Activities Yokosuka, Japan to continue repairs and assess damage sustained from its June 17, 2017 collision with a merchant vessel. (U.S. Navy via Getty Images) More

All seven sailors who died were initially missing after the collision and found in the flooded quarters after the destroyer returned to port, a Navy official told ABC News. Those quarters flooded within 90 seconds of the collision.

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