What Is Rule 91 on 'NCIS'? It May Hint to Gibbs' Future - Distractify
https://www.distractify.com/p/what-is-rule-91-on-ncis
webMay 26, 2021 · "Rule 91" references Leroy Jethro Gibbs' (Mark Harmon) boat, which is named Rule 91. This is something we most recently learned. It also references Gibbs' rules in general, which are all essentially the rules he requires his team to follow. There are 69 in total, but not all of them have been revealed.
DA: 94 PA: 67 MOZ Rank: 64