OPS-18 is a two-dimensional radar manufactured by Japan Radio Company. It is installed as an anti-water search radar on the Maritime Self-Defense Force's escort ship. Variations include OPS-18-1 and O
The Umitaka-class submarine chaser was a class of submarine chasers of the Japan Maritime Self-Defense Force after the Second World War, in the late 1950s.
OPS-18
…to improve performance. In addition, the major version upgrade version of OPS-17 has two intermediate frequency bandwidths and two video bandwidths. Umitaka-class submarine chaser Mizutori-submarine chaser…