Director Vance is notified by the Pentagon that the nuclear submarine Gibbs and Bishop are aboard to conduct a murder investigation has gone radio silent. false 2026-05-31 15:41:30 Silent Service 2019 tt9089814 7040546 G:\jelly\meta\library\8d\8d5576d67cad1df367d875d3735c9512\poster.jpg NCIS 17 16 2019-03-26