el SSBN

ballistic missile submarine

→ ssbn
noun Rare #47,916
ballistic missile submarine Usually written in all caps (SSBN); a military acronym used in Spanish as well.
SP: El SSBN navegaba en silencio bajo el hielo.
EN: The SSBN was sailing silently under the ice.

Chanteraide, un SSBN no es un Crucero del Amor.

Chanteraide, an SSBN is not a Love Cruise.

— El canto del lobo (2019)

Es ascendido a Capitán de un SSBN.

He is promoted to Captain of an SSBN.

— El canto del lobo (2019)

Y también lamento decirle que quizá termine en un SSBN.

And I also regret to inform you that it may end up as a SSBN.

— El canto del lobo (2019)

Sólo los SSBN tienen.

Only SSBNs have them.

— El canto del lobo (2019)