Submarines SLBMs- Sub Launched Ballistic Missiles Each submarine carries 24 Trident II (D5) SLBMs (Submarine Launched Ballistic Missiles.) read on View as Slide Show View Images Sub Interiors Trident submarines carry a crew of 155 men and twenty-four multiple-warhead missiles. read on View as Slide Show View Images Sub Exteriors Nuclear-powered Ballistic Missile Submarines (SSBNs) serve as underwater launch platforms for Submarine Launched Ballistic Missiles (SLBMs). read on View as Slide Show View Images