US Coast Guard
USCG
| engines | |
| Naval Engine | |
| diesel | 1944- |
| diesel - MTU 20V 4000 | 2008- |
| gas turbine | 1976- |
| gas turbine - General Electric LM2500 | 2008- |
| propulsion system: CODAG | 2008- |
| propulsion system: CODOG | 1967-2021 |
| artillery | |
| Naval Gun | |
| Mark 38 25 mm | 1967- |
| Oto Melara 76 mm | 1967- |
| single 20 mm | 1944-1989 |
| single 40 mm | 1944-1989 |
| single 57 mm | 2008- |
| Close-In Weapon System | |
| CIWS Phalanx 20 mm | 1967- |
| Torpedo Launchers | |
| Depth charge rack | 1944-1989 |