The OTS-90 is a sonic system, which maximises the probability to early detect and classify any potential underwater threat. It is composed of two main subsystems - a low frequency dipping sonar subsystem and sonobuoy subsystem.
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device