U.S. Army

Unwrapping Class U material in the reclassifications section during the Korean War.

Inspecting the contents of a crate in the reclassification section to determine whether the equipment is Class A or Class C, during Korean War.

Headquarters Far East Command Communications Center in Tokyo, Japan, during the Korean War. Portion of the teletypewriter repair shop showing work benches and the fixed jigs wired to permit easy test of repaired units during the Korean War.

Terminal Station of the General Headquarters, Far East Command Communications Center, Dai Ichi Building, Tokyo, Japan.

Headquarters Far East Command Communications Center in Tokyo during Korean War. Interior of operating section of telecon room showing one of two identical sending and receiving positions. Standard Model 19 Teletypewriters are used for perforating and sending, while Model 15 Page Copy Printers, without keyboards, are used for receiving. The Model 14 Reperforator provides a means for monitoring enciphered traffic.

Interior of General Headquarters teleconference room in Tokyo, Japan, showing conferees' table and projection screens during the Korean War.

Headquarters, Far East Command Communications Center in Tokyo during Korean War. Tape perforation positions. These four positions utilize Model 19 Teletypewriters for perforating and transmitting outgoing terminal messages into the relay station for onward transmission to addressee. Soldiers are at work.

Headquarters, Far East Command Communications Center in Tokyo during Korean War. In and out desk of the terminal. Messages are logged, routed and dispatched at this point. The charts in the rear depict the day by day handling time and accuracy level of the station. The door at the right is the entrance to the cryptocenter.

General Headquarters Communications Center, Dai Ichi Building, Tokyo, Japan during Korean War.

Headquarters, Far East Command Communication Center in Tokyo during Korean War. Multiple address tape preparation console, improvised by station maintenance personnel, utilizes four Model 14 Tape Distributors, six Model 14 Reperforators and one Model 15 Page Printer, plus associated rectifying equipment. This unit is capable of producing duplicate copies of multiple addressed tapes for onward transmission.