A U.S. Army soldier stationed in Hawaii was taken into custody on Monday in connection with the disappearance of his 19-year-old pregnant wife.

Mischa Johnson, 19, was last seen on July 31 at the couples home on Schofield Barracks, a U.S. Army installation on Oahu, according to the Armys Criminal Investigation Division . She was reported missing the following day and was six months pregnant at the time of her disappearance.

The 25th Infantry Division announced on Monday that Johnsons husband, 28-year-old Private 1st Class Dewayne Arthur Johnson II, was taken into military pretrial confinement in Hawaii.

Its unclear whether Dewayne Johnson has been charged with a crime and whether he has an attorney representing him. The Army did not immediately respond to HuffPosts request for comment.