"Workers" were spotted at strategic points about the lush inner compound surrounding the house.
Japanese castles were designed to be difficult to navigate, with winding routes leading to the inner compound.
Beyond the high perimeter fence, security lamps threw stark pools of light across the inner compound.
Tickets to the inner compound are sold at the former Soviet checkpoint.
The rest of them yielded this morning to alliance soldiers, who led the men, from an inner compound of the vast fort.
Other men, from inside the inner compound, swept in to surround them.
More than a dozen students entered an inner compound before being surrounded by police officers.
Trespassing into the inner compound was punishable by death.
The hooded figure unlatched the door, throwing it open, admitting the bright lights of the inner compound.
Fear floated into the inner compound at Detrick as if borne on wings.