Random triples
| Subject | Object |
|---|---|
| gptkb:United_States_Submarine_Force | gptkb:Naval_Submarine_Support_Facility |
| gptkb:Type_094 | requires regular maintenance and upgrades |
| gptkb:Project_667_BDR.45 | regular maintenance required for operational readiness |
| gptkb:Kalvari-class_submarines | regular maintenance required |