During the first search of female soldiers' quarters, one of the investigators examines a soldier's record collection. One of the LPs is We Too Are One by Eurythmics, which was first released in 1989. However, the scene is supposed to take place in 1981.
At the end of part one when Chrissie and Caroline are talking in the bedroom you can see the shadow of the boom mic moving in almost all of Caroline's shots.