The U.S. Marine Corps has launched an investigation after social media users noted Tuesday that a California-based Marine flight had appeared to trace a phallic shape in the sky.

Aircraft Spots, a Twitter account that documents California's Salton Sea, an isolated location southeast of Palm Springs. The account tweeted photos appearing to show a path that deviated from a straight line into an intricate, obscene shape.

"Somebody needs to have a word" with the pilot, the account joked.

Initially identified as a Navy flight, the account later corrected the record to say the airplane belonged to the Marine Corps.

Maj. Josef Patterson, spokesman for the 3rd Marine Aircraft Wing, told the Marine Corps Times that the aircraft in question belongs to Marine Fighter Training Attack Training Squadron 101. Patterson could not say whether the pilot was an instructor or in training.

"Obscene or inappropriate actions," said Patterson told NBC 7 San Diego. He reported that the incident was being investigated and that the Marine Corps would have determined possible disciplinary action after the investigation was completed.

Some see many faces in the flight path, the San Francisco Chronicle carryforwards. The paper also notes that the shapes would have been revealed.

A similar incident last year in Washington's national state of attention when U.S. Navy officials confirmed one of its aircraft was involved in skywriting a figure of a penis. In that case, the offending shape was visible with the naked eye.

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