The NCIS team uncovers an experimental Navy tracking system when a body containing a top-secret residue is stolen from an autopsy room. Meanwhile, Callen challenges Hetty on the rock wall.

Aaron Abrams, Antal Kalik, Izzy Diaz, Kathleen Rose Perkins, Krisztian Kery, Lois Atkins, Meena Serendib, Ned Vaughn