Class 2 probe

A class-2 probe was a type of probe carried aboard Federation starships, including and  vessels.

In 2366 the USS Enterprise (NCC-1701-D) launched a class-2 probe loaded with 80 kilograms of hytritium to combat a tricyanate contamination of the water supply on Beta Agni II. 

In 2369, Benjamin Sisko proposed using a class-2 probe to investigate a narrow band subspace signal emanating from a moon in the Gamma Quadrant. 

Klasse-2-Sonde