U.S. Army Pfc. Dewayne Johnson, a cavalry scout assigned to 3rd Squadron, 4th Cavalry Regiment, 3rd Infantry Brigade Combat Team, 25th Infantry Division, sits with his teammates during an exercise at Helemano Military Reservation, Hawaii, Nov. 2, 2023. (Joshua Linfoot/U.S. Army)

FORT SHAFTER, Hawaii — The husband of a 19-year-old pregnant woman who went missing two weeks ago is being held by the military in pretrial confinement in Hawaii, the Army said Monday.

Pfc. Dewayne Arthur Johnson II, of Frederick, Md., was arrested in connection with the disappearance of his wife, Mischa Johnson, from their home on Schofield Barracks in central Oahu, the service said in a news release.

Johnson is a cavalry scout with the 25th Infantry Division, where he was assigned in June 2023.

Schofield Barracks is the state’s largest Army base.

“Our efforts remain focused on locating Mischa, support to her family, and the safety and security of all personnel at U.S. Army Hawaii installations,” the news release states. “This is a current and ongoing investigation, and no further information is available at this time.”

The Army Criminal Investigation Division is offering a $10,000 reward for help in finding the missing woman, who was last seen at her home on July 31.

Mischa Mabeline Kaalohilani Johnson, 19, the pregnant wife of a service member, was last seen in her home on Schofield Barracks, Hawaii, on the evening of July 31, 2024. (Honolulu Police Department)

Johnson is of Filipino descent and described as 5 feet, 2 inches tall, and about 170 pounds.

She is six months pregnant, according to the CID description. She has a large tattoo of a dragon on her back.