skos:altLabel | - Trigger
- ''Trigger''
- USS ''Trigger''
- ''Livio Piomarta'' (S 515)
- ''Trigger'' (SS-564)
- USS ''Trigger'' (SS-564)
- USS Trigger (SS-564)#Livio Piomarta (S 515)
- USS Trigger (SS-564)#Livio Piomarta (S-515)
- USS Trigger (SS-564)#Livio Piomarta (S515)
- USS Trigger Sunk
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