MISAWA AIR BASE, Japan — A 14th Fighter Squadron F-16 pilot jettisoned a 300-gallon fuel tank into the Pacific Ocean during a training mission Thursday, according to Misawa officials.

The 14-foot-long, 373-pound tank was empty when it was ditched at 2:45 p.m. about 80 miles northeast of Misawa, according to reports.

Air Force officials could not comment on the reason for the jettison because the incident is under investigation.

The last time a tank was jettisoned at Misawa was Dec. 18, 2007.

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