Never lose your bearings. A disoriented Hunter cannot select vital targets or track lines of flight.
― In-game description

Komarov 3.1 is an uncommon Hunter helmet that can be found inside Golden Loot Chests on the Moon.

It has a single upgrade, called Incisive Maintenance, which causes damage done by a melee attack to reduce your grenade cooldown. The upgrade costs 25 Glimmer.