Officials are investigating the recent death of a Marine on Okinawa, Japan, according to the 1st Marine Air Wing.

Lance Cpl. Jacky Koenig Jr. died on April 7 at Marine Corps Base Smedley D. Butler, a statement from the wing said. Koenig, 20, was assigned to Marine Light Attack Helicopter Squadron 267.

"Our squadron is immensely saddened by the loss of Lance Cpl. Koenig," said Lt. Col. Jon Livingston, commanding officer for HMLA-267. "This Marine was part of our team and he will not be forgotten. Our hearts are with his family during this difficult time."

Indiana Gov. Eric Holcomb directed flags in the Marine's home county to be flown at half-staff Tuesday in his honor, according to Fox 29. Funeral services were held on Tuesday. 

Originally from North Vernon, Ind., Koenig joined the Marine Corps on July 1, 2014 and trained as a rotary wing airframes mechanic, the statement said. He was promoted to lance corporal on Dec. 1, 2015, and his awards include the National Defense Service Medal, the Global War on Terrorism Service Medal and the Sea Service Deployment Ribbon.

The 1st Marine Aircraft Wing has not released any information about the circumstances surrounding Koenig's death.

"The death is currently under investigation, and no further information is available at this time," the statement says. "We ask that media please respect the family's privacy during this challenging time."