STORY: The cadet was an exchange student at the Antonio Prat Navy School. Local media reported the cadet was 25-years-old.
He went missing on Saturday after a trekking trip with another cadet from the his school during their spare time.
After reaching the top of their trek, the U.S. cadet looked into a cliff, slipped and fell. The cadet accompanying him went to ask for help from local authorities, the navy said in a written statement.
Rescue teams found him and retrieved his body with a helicopter. Police general Patricia Vazquez told local media the body would be translated to a legal medical institute.