The 427th NFS intruder missions started on 22 February with a sweep of the road network south of Lashio, Burma.
The bridge is between the two towns of Pyin U Lwin, the summer capital of the former British colonial administrators of Burma, and Lashio, the principal town of northern Shan State.
Just prior to the Japanese surrender which ended World War II, the National Revolutionary Army, having recaptured Liuzhou, Guilin, and Taizhou, as well as Lashio and Mandalay in Burma, was planning to launch a large-scale assault on Kwangchowan; however, due to the end of the war, the assault never materialised.
Loi Leng, the highest mountain of the Shan Hills, is located 45 km to the southeast of Lashio.
Advancing north through the Shan States the 56th Division defeated the Chinese 65th Corps to take the city of Lashio on the Burma Road.
The oil and natural gas pipelines will run in parallel and start near Kyaukphyu, run through Mandalay, Lashio, and Muse in Burma before entering China at the border city of Ruili in Yunnan province.
Hong Pang Group is based at Panghsang with offices also in Yangon, Mandalay, Lashio, Tachilek and Mawlamyine.
Chiang ordered the American General Sultan, commanding NCAC, to halt his advance at Lashio, which was captured on 7 March.
The 3 main routes which link Hopang and other parts are 804 mile long Hopang-Lashio-Mandalay-Taunggyi-Mongpyin-Matman Road, the 343 mile long Hopang-Lashio-Tangyan-Panghsan-Matman Road and the 257 mile long Hopang-Mongmao-Panghsan-Matman Road.