The main wing was constructed in the 19320s, renovated in the 1960s to become an all-womens dormitory, and has housed [[Echo Company]] from the [[Corps of Cadets]] from circa 2013 to 2017. The west wing was constructed in the late 1930s, and included the Eggleston arch, the only vaulted arch on campus, most notable for the high wind speeds during the winter. It was also renovated in the 1960s. The East wing was constructed during the great depression by the [[w:Civilian Conservation Corps|Civilian Conservation Corps]] volunteers, and includes a 5-storey tower. East Eggleston is home to the [[Division of Student Affairs]] and a branch office of the [[Cook Counselling Center]]. The upper two floors are sometimes used for residential purposes.