Random triples
| Subject | Object |
|---|---|
| gptkb:National_Guard | up to 4.5 feet of ice |
| gptkb:USCGC_Alder | Up to 3 feet of ice |
| gptkb:Taimyr-class_icebreaker | 1.5 meters |
| gptkb:Makarov-class_icebreaker | 1.5 meters thick ice |
| gptkb:USCGC_Polar_Star_(WAGB-10) | up to 21 feet of ice |
| gptkb:Polar_Class_Icebreaker | Multi-directional icebreaking |
| gptkb:USCGC_Sturgeon_Bay_(WLB-402) | gptkb:Yes |
| gptkb:Lenin_Icebreaker | up to 2.5 meters thick ice |
| gptkb:Cutter_Mackinaw | Up to 30 inches of ice |
| gptkb:USCGC_Polar_Sea_(WAGB-11) | up to 6 feet of ice |