Seeking the composition of modern naval auxiliary ships

Logistics ships Logistics ships refer to those ships that are not designed for combat and are usually unarmed. These ship owners are both military and civilian or civilian. Auxiliary ships Auxiliary ships only refer to logistics ships designed for ships sailing on the high seas to assist ocean-going missions, and also include those auxiliary ships with ocean-going capabilities. The following are the categories and codes of various auxiliary ships: ACS: water crane AN: trawler AG: multi-purpose auxiliary ship: ocean escort test ship: deep submersible auxiliary ship AGER: environmental research ship AGF: multi-purpose command ship: frigate test ship AGM: missile survey ship marine research ship: hydrological monitoring ship AGSS: auxiliary research submarine. AGTR: technical research ship AH: medical ship AK: cargo ship AKR: vehicle transport ship AKS: replenishment storage ship AOG: gasoline transport ship AOT: fuel transport ship AP: transport ship APD: fast transport ship ARC: submarine cable laying ship ARL: small maintenance ship ARS: salvage ship ASR: submarine rescue ship AT: ocean tug ATA: auxiliary ocean tug ATF: fleet ocean tug. Ship ATS: salvage ship AVB: aircraft logistics supply ship AVT: auxiliary aviation landing training ship auxiliary engineering ship auxiliary engineering ship refers to those ships belonging to the navy, which are used to assist in operations or establish coastal facilities. These ships with "N" in the code name are ships without their own power. The following are the categories and codes of various auxiliary engineering ships: AB: floating crane AFDB: large floating dry dock AFDL: small floating dry dock AFDM: medium floating dry dock APB: mobile barracks ship APL: barracks ship ARD: auxiliary maintenance dry dock ARDM: medium auxiliary maintenance dry dock ATA: auxiliary ocean tugboat DSRV: deep submersible repair ship DSV: deep submersible NR: diving research vehicle Y.C.: barge YCF. ) Barge YCV: air transport barge YD: floating crane YDT: diving support ship YF: armored barge YFB: ferry/boat YFD: floating dry dock YFN: armored barge (without its own power) YNB: large armored barge (without its own power) YND: dry dock companion ship (without its own power) YNX: special warfare barge (without its own power) YFP: offshore drilling. YGN: garbage barge (without its own power) YLC: salvage crane YM: dredger YMN: dredger (without its own power) YNG: portal ship YNT: net ship YO: oil barge YOG: gasoline barge YOGN: gasoline barge YON: oil barge YOS: oil barge YPD: patrolling training ship. YRB: berth maintenance YRBM: berth maintenance YDM YRDH: floating dry dock workshop YRR: radioactive pollution maintenance ship YRST: salvage support ship YSD: seaplane lifting ship YSR: dredging barge YT: port tugboat YTB: large port tugboat YTL: small port tugboat YTM: medium port tugboat YTT: torpedo test ship YW: freshwater barge YWN: freshwater barge (without its own power).