Convoys in the modern era:  As part of the U.S. exercise Defender Europe, the guided-missile cruiser USS Vella Gulf (CG-72) transited the North Atlantic with three roll-on, roll-off vessels from Military Sealift Command (MSC), carrying troops and matériel to Europe. The U.S. Navy advertised this transit as a convoy operation and linked it to the previous transit of the USS Dwight D. Eisenhower (CVN-69), stating that the carrier and other units in the strike group “cleared the maritime battlespace prior to the transit of the Vella Gulf–escorted MSC convoy.” But what if carrier strike groups are no longer the big stick of the sea? Read more:  https://www.usni.org/magazines/proceedings/2021/september/convoy-or-not-convoy

Key tech featured:
The Manta Ray
The Sea Hunter
The Type 093 submarine
The Type 095 Sui class submarine
Nulka
Nixie
Anti-torpedo mines
Very Lightweight Torpedo
Independence Class LCS