180′ Cactus Class
Model: Yes
| Designation | Name | Class | Hull | Service | Comments | Picture |
| USCGC | Evergreen | WAGL/WLB WAGO/WMEC |
295 | 1943 – 1990 | 1943: Commissioned as an Auxiliary Buoy Tender 1967: Redesignated as a Large Buoy Tender 1975: Redesignated as an Oceanographic Research Vessel 1986: Redesignated as a Medium Endurance Cutter |
CGH |
213′ Diver Class
Acquired from the Navy to replace retiring 125s and 165s
Originally classified as Fleet Tugs
Some retained their navy name and hull numbers
Others were renamed and/or renumbered
Known only as 213s – no other class designation
Reclassified Medium Endurance Cutters in 1967
Acushnet was decommissioned in 2011
Model: Yes
| Designation | Name | Class | Hull | Service | Comments | Pictures |
| USCGC | Acushnet (ex USS Shackle ARS 9) |
WAT/WMEC | 167 | 1946 – 2012 | Commissioned in 1944 as USS Shackle (ARS 9) Transferred to the Coast Guard in 1946 Served in Boston Took part in the Two Tankers Rescue in 1952 and on International Ice Patrol cruises 1968 to 1971: Oceanographic Research Cutter (WAGO) Attached to Office of Naval Research and Scripps Oceanographic Institute as part of the NOAA National Data Buoy Project Became known as NOAA’s Ark 1978: designated a Medium Endurance Cutter 1990: transferred to Eureka, CA and operated in Alaskan waters 1998: Transferred to Ketchikan, AK Queen of the Fleet from 2007 to 2011 |
CGH |
USCGC Neverbuilt Oceanographic Research Ship
Proposed in 1971
Designed to further CG oceanographic research
Cancelled when the oceanographic mission
went to the newly established NOAA
Model: No
| Designation | Name | Class | Hull | Service | Comments | Pictures |
| USCGC | Joseph Henry (aka CGC Neverbuilt) |
WHEO | 701 | CGH |