Complex sentence: The post was renamed Fort Belvoir in the 1930s in recognition of the Belvoir plantation that once occupied the site, but the adjacent United States Army Corps of Engineers Humphreys Engineer Center retains part of the original name.
Split into simpler sentences: The post was renamed as Fort Belvoir in the 1930s in recognition of the Belvoir plantation that once occupied the site. The adjacent United States Army Corps of Engineers Humphreys Engineer Center retains part of the original name.