A Marine Corps official declined to offer further details about the victim, who is a woman, or the circumstances of the alleged assault.
"We are aware of an alleged assault that occurred aboard Camp Pendleton, California, on March 2, 2021," said Maj. Kendra Motz, a 1st Marine Division spokeswoman. "The incident is currently under investigation by the Naval Criminal Investigative Service."
The Marine is receiving treatment for non-life threatening injuries at Scripps Memorial Hospital La Jolla, Motz said.
NCIS did not immediately return requests for comment Thursday afternoon.
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