( CNN ) -- The Louisiana National Guard 's highest ranking enlisted soldier has been removed from active duty after `` substantiated allegations '' of sexual harassment and possible sexual assault , a spokesman said Monday . Sgt . Maj. Tommy Caillier was removed on June 14 `` for cause '' in relation to allegations by a member of the National Guard , spokesman Lt. Col Mike Kazmierzak said . A criminal investigation has been launched into possible sexual assault , he said . Caillier has requested defense council from the National Guard , Kazmierzak said . The case comes as the U.S. military is under pressure to crack down on sexual assault that victims say is rampant in the culture of the armed forces . Charges possible in Navy football sexual assault claim .
The Louisiana National Guard is investigating a sexual assault allegation . The state 's top enlisted man is removed from active duty . A member of the National Guard made the allegations against the sergeant major . The case continues as the military faces pressure to crack down on sexual assault .