Washington - The US army said yesterday it will court-martial Sgt Maj Gene Mckinney, the service's top enlisted man, on sexual harassment charges brought against him by six female servicewomen. No date was set for the trial at nearby Fort Belvoir, Virginia, on 20 counts against Sgt Maj McKinney, including adultery, indecent assault, soliciting sex and threatening a female soldier. Sgt Maj McKinney vehemently denies the charges.