Class 4 probe

A class-4 probe was a type of probe with deflector shields utilized by the Federation to study spatial anomalies and spaceborne species. (; )
==Usage==
In 2369, a series of class-4 probes was also launched by the to study the far side of a newly-discovered Dyson sphere, after the rescue of Montgomery Scott from the . () Later that year, the starship also launched a class-4 probe to investigate a molecular reversion field encountered by the shuttlecraft Fermi. ()
In 2369, Benjamin Sisko wanted to use a class-4 probe to make a full analysis of a subspace rupture that appeared off of Deep Space 9. () 
In 2371, launched a class-4 probe in an attempt to distract a large, aggressive space-dwelling lifeform. The probe though only seemed to make it angrier. ()
In 2372, Jadzia Dax proposed using a class-4 probe to test whether an artificial wormhole, created by Lenara Kahn and her team, was stable enough to allow starship travel. Dax believed this class of probe would provide a more accurate assessment because its shielding was similar to that on a starship. ()
In 2373, a class-4 probe was used to transmit a location signal, as well as several farewell recording from the crew of the , after being trapped behind an energy barrier surrounding the planet Gaia. ()
==Appearances==
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==External link==
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de:Klasse-4-Sonde
04 probe