Pentagon, World's largest office building, United States

Sentinel-1 CSAR IW acquired on 14 September 2018 at 11:13:46 UTC
Sentinel-1 CSAR IW acquired on 09 September 2019 at 11:14:11 UTC
Sentinel-2 MSI acquired on 10 January 2021 at 15:56:29 UTC
Author(s): Sentinel Vision team, VisioTerra, France -
Keyword(s): Land, infrastructure, urban planning, United States, USA
Fig. 1 - S1 (14.09.2018 & 09.09.2019) - Located in Arlington next to Washington, the Pentagon is the world's largest single office building.
It has ~60 ha of floor space, of which 34 ha used as offices. Some 26,000 personnel work in the Pentagon.
Fig. 2 - S2 (10.01.2021) - The Pentagon is the headquarters building of the US Department of Defense, it was inaugurated in 1943.
It is easily recognized from space: it has five sides, five floors above ground and five ring corridors per floor with a total of 28.2 km of corridors.