It connected Hawaii, Midway Atoll, Wake Island, Guam, and Japan.
TRANSPAC-1 was part of the network that supported the Apollo 11 Moon landing mission in 1969.
[4] In 1975, Transpac-2 (TPC-2) connected Guam, Taiwan, Korea, Hong Kong and Singapore with 845 channels.
It was laid from Point Arena, California to Makaha, Hawaii, from which it goes to an undersea branching unit and splits to Chikura, Japan and Tanguisson, Guam.
[5] The TPC-5CN cable network is a 25,000 km fiberoptic ring, carrying 5 Gbit/s in each channel.