Avenger-class mine countermeasures ship USS Chief (MCM-14) travels through waters near the Korean peninsula during the annual Multinational Mine Warfare Exercise (MN MIWEX) on Oct. 19, 2018.
THE PENTAGON – The Navy’s mine warfare community is putting together a comprehensive plan to lay out the investments required for a successful transition from legacy mine countermeasures systems to more advanced capabilities.
The early-1980s Avenger-class MCM ships and the mid-1980s MH-53E Sea Dragon...
https://news.usni.org/2018/10/31/navy-crafting-master-plan-new-mine-warfare-capabilities