Lieutenant Anthony Pacino reports aboard the “project boat” USS Vermont two years after having survived the catastrophic sinking of the Piranha. Pacino quickly learns that Vermont’s missions are all ultra-secret with the boat reporting only to the Sub Force commander, the National Security Advisor and the President: Vermont does the dirty deeds that need doing in deadly silence and obscurity.After Vermont misses the mark on an easy mission, there are questions asked about her abili...

In the aftermath of a vicious sea battle with the Chinese fleet that ends in a nuclear blast, the presidential project submarine Silversides is dispatched on a search-and-destroy mission against the resurrected submarine Panther, recently converted by the Iranians to fire hypersonic electrical grid-killer missiles at the U.S. East Coast.Anthony Pacino, the Silversides’ chief engineer, is forced to abandon his mourning the loss of the love of his life and driven to...