A side scan sonar can see those, but NR-1 sonar can't. There's a classic range versus resolution issue in underwater sonar. What you gain in range, you lose in resolution. So you can see further ...

WASHINGTON (CNN)-- In what a U.S. military official calls an "inadvertent encounter," a Chinese submarine hit an underwater sonar array being towed by the destroyer USS John McCain on Thursday.

HMS Northumberland's sonar apparatus was struck while deployed underwater by a vessel it was tracking in the North Atlantic in late 2020. The collision was revealed by a Channel 5 documentary ...

designed to detect underwater threats. (Saildrone) MILAN — Thales Australia has partnered with Saildrone to integrate a towed array sonar system with the Surveyor unmanned surface vessel ...