Heavily armed icebreakers which served from 1944 through the late 1970s in the United States Coast Guard. Three were loaned to the Soviet Navy while two others were built for the US Navy and a last one for the Royal Canadian Navy
| 1943 | Launched | Launched  WAGB-281 USCGC Westwind as USS Westwind AGB-6 | |
| 1944 | | WAGB-278 USCGC Staten Island to Soviet Navy as Severny Veter | |
| 1944-jul-10 | Laid down | Laid down WAGB-282 USCGC Northwind | |
| 1945 | | WAGB-281 USCGC Westwind to Soviet Union as Severni Polius | |
| 1945 | | WAGB-280 USCGC Southwind to Soviet Navy as Kapitan Belusov | |
| 1945-jul-28 | Commissioned | Commissioned WAGB-282 USCGC Northwind | |
| 1946 | | WAGB-283 USCGC Burton Island to US Navy as USS Burton Island AG-88 | |
| 1946-dec-02 | Deployment | Deployment WAGB-282 USCGC Northwind Left eastern USA for Antarctica deployment with Operation Highjump, USCG Sikorsky HNS-1 39043 embarked. Returned to US mid Apr 1947. | |
| 1950 | | WAGB-280 USCGC Southwind to US Navy as USS Atka AGB-3 | |
| 1951 | Commissioned | Commissioned WAGB-281 USCGC Westwind in USCG | |
| 1951 | | WAGB-278 USCGC Staten Island to US Navy as USS Northwind AGB-5 | |
| 1952 | | WAGB-278 USCGC Staten Island renamed Staten Island | |
| 1953-aug-03 | Laid down | Laid down AGB-4 USS Glacier Yard No 580. | |
| 1954-jul-08 | Commissioned | Commissioned  AW 50 HMCS Labrador | |
| 1954-aug-27 | Launched | Launched AGB-4 USS Glacier | |
| 1955-may-27 | Commissioned | Commissioned AGB-4 USS Glacier | |
| 1956-dec-31 | Aircraft | Aircraft WAGB-278 USCGC Staten Island Ships Flight Bell HTL-5 of HU-1 Det 31, crashed on deck, shortly after take off, in the Antarctic, during Operation Deep Freeze II. | |
| 1957 | | AW 50 HMCS Labrador as CGS Labrador | |
| 1957-jan-19 | Aircraft | Aircraft AGB-4 USS Glacier Ships Flight HO4S-3 138595 of HU-2 Det 69 crashed in Ross Sea | |
| 1959-feb-12 | Aircraft | Aircraft AGB-4 USS Glacier Ships Flight HRS-3 144257 of HU-2 Det 69, crashed on the ice after engine failure during a test flight, near to the ship. | |
| 1960-nov-21 | | AGB-4 USS Glacier Departed Boston 13 Oct 1960 for passage to Lyttleton (reached 21 Nov) for her 6th Antarctic mission. | |
| 1962 | | AW 50 HMCS Labrador to Coast Guard as CCGS Labrador, call sign changed to CGGM | |
| 1965 | Commissioned | Commissioned WAGB-284 USCGC Edisto in USCG | |
| 1965-feb | Commissioned | Commissioned WAGB-278 USCGC Staten Island | |
| 1966 | Commissioned | Commissioned WAGB-280 USCGC Southwind to USCG | |
| 1966 | Commissioned | Commissioned WAGB-283 USCGC Burton Island in USCG | |
| 1966 | | WAGB-281 USCGC Westwind Operation SUNEC | |
| 1966-jun-30 | Fate: transfered | Fate: transfered AGB-4 USS Glacier to US Coast Guard | |
| 1966-jul | Homeport | Homeport WAGB-4 USCGC Glacier Relocated to Long Beach, CA | |
| 1966-jul-01 | Commissioned | Commissioned WAGB-4 USCGC Glacier ex US Navy USS Glacier | |
| 1972 | Fate: scrapped | Fate: scrapped WAGB-279 USCGC Eastwind | |
| 1974 | Decommissioned | Decommissioned WAGB-280 USCGC Southwind | |
| 1974 | Decommissioned | Decommissioned WAGB-284 USCGC Edisto | |
| 1974-nov | Decommissioned | Decommissioned WAGB-278 USCGC Staten Island | |
| 1978 | Decommissioned | Decommissioned WAGB-283 USCGC Burton Island | |
| 1987 | Decommissioned | Decommissioned AW 50 HMCS Labrador | |
| 1987-jul-07 | Decommissioned | Decommissioned WAGB-4 USCGC Glacier at Portland, OR | |
| 1987-jul-08 | | WAGB-4 USCGC Glacier towed to Bremerton, to be stripped out and laid up | |
| 1988 | Fate: scrapped | Fate: scrapped AW 50 HMCS Labrador Sold for scrap. | |
| 1988-feb-28 | Decommissioned | Decommissioned WAGB-281 USCGC Westwind | |
| 1989-jan-20 | Decommissioned | Decommissioned WAGB-282 USCGC Northwind | |
| 1999 | Fate: scrapped | Fate: scrapped WAGB-282 USCGC Northwind | |
| 2012-feb-12 | Fate: scrapped | Fate: scrapped WAGB-4 USCGC Glacier sold for scrapping; reached Brownsville, TX on 19 Jun 2012 | |
Aircraft