''Equipment that is mounted on submarines and used to search for enemies as well as to conduct surface reconnaissance.<br>Several excellent water-resistant telescopes that are primarily mounted on top of the bridge, surface radars and anti-air radars are used for attempts at early detection of threats or targets. | ''Equipment that is mounted on submarines and used to search for enemies as well as to conduct surface reconnaissance.<br>Several excellent water-resistant telescopes that are primarily mounted on top of the bridge, surface radars and anti-air radars are used for attempts at early detection of threats or targets. |