YOKOSUKA NAVAL BASE, Japan — The USS Kitty Hawk aircraft carrier leaked diesel fuel into Tokyo Bay at Yokosuka Naval Base on Tuesday.

The amount of fuel was undetermined by the U.S. Navy, but a City of Yokosuka base affairs official said he was told about 300-500 gallons were spilled.

The Navy can’t confirm that number and is still waiting for “an accurate assessment of the total amount” said Command Fleet Activities Yokosuka spokesman Bill Doughty.

The spill was contained and 95 percent of the fuel was recovered as of Wednesday afternoon, he said.

“There are no fish or other wildlife kills, no one was injured, and there is no lasting impact on the environment,” Doughty said.

Personnel from the Kitty Hawk’s cleanup crew, CFAY Port Operations, Fleet Industrial Supply Center, Ship Repair Facility and the base fire department were called to the spill site at Berths 8 and 9 on base around noon Tuesday. Japanese Coast Guard cleared a small sheen from beyond the containment area, Doughty said.

The City of Yokosuka protested the spill, along with Wednesday’s arrest of a Navy sailor for allegedly breaking into a local school while intoxicated, the city official said.

Yokosuka city officials delivered protest letters to Commander, Naval Forces Japan and CFAY. They requested the Navy to show specific steps to prevent future spills and to investigate and release information on the cause of the current one, the letter stated. Navy officials apologized for the incidents and promised to take measures to prevent a reoccurrence, the city’s news release said.

The base is investigating and analyzing the incident to prevent another leak, Doughty said.

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Hana Kusumoto is a reporter/translator who has been covering local authorities in Japan since 2002. She was born in Nagoya, Japan, and lived in Australia and Illinois growing up. She holds a journalism degree from Boston University and previously worked for the Christian Science Monitor’s Tokyo bureau.

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