Underground Administration Complex
3. (S/D) Fangxian MR Alternate Command and Control and Military Storage is an elaborate underground administration complex covering a 385-square-nautical mile area. It consists of
five areas situated in steep mountain valleys approximately 7.5 nm southwest of Fangxian (Figure
2). The rive areas arc an headquarters/operations area (area D. Figure 3). a communications area
(urea B, Figure 4), and three operations areas (areas A, C, and E: Figures 5. 6, and 7). Each area
consists of numerous cave adits and administration~style buildings that are connectcd to cave
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~–"~ntcar\ceS by enclosed walkways (Figure 8). Each area is interconnected by underground cable.
This ca bk·fS·-CO·n JleCted-·ta··-t-he-··rrlainnOr·thWeiii-;SO"llthe-aSTU-iideTgrouna-taeCl)fllffiUOTca t rons-CTIOIC~-·–·-
'-:-=~~=c-:-:-::c:-;–;,-,=,-___jM uch of the support equipment 25X 1
present during construction was stored under camounage netting: 4
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(S/D) Fangxian Heliport is located on the northern edge ol' Fanxian M R Alternate
Command and Control and Military Storage and is 5.0 nm southwest of the town of Fungxian
(Figure 9). The presence of this heliport indicates that this area has an important function since
the Chinese utilize their helicopters mainly for administrative support or major headquarters. The
closest airfields are Guanghua Airfield I I 58 nm to the northeast, Dangyang Airlield
'-;,:,-,—_j and Yichang(Tumenya Airfield I I 95 nm to the southeast. The
heliport consists of a helicoptor landing area (239 by 44 meters, oriented northwest/southeast},
two parking aprons (one 67 by 40 meters and one with a 30-meter diameter), and an ~-meter-wide
taxiway /road extending to three cave adits. One ad it is an aircraft tunnel with a 26~metcrvwidc
https://nsarchive2.gwu.edu/NSAEBB/NSAEBB439/docs/Underground-Doc10.pdf