Lieutenant Sokolov can be found inside Hermann's bunker in Yanov. As well, he is quite weak due to his outfit. Vano is very helpful during the mutants section of the underground, but is less effective during long-range engagements with NPCs due to the shotgun's limited effectiveness at range. Vano uses a shotgun as a main weapon, although he is able to grab any weapon along the way (but with limited ammunition). The player will need to give Vano 5000 RU so he can reclaim his outfit he previously bought from Jack and pawned in order to re-pay Jack. Vano is found at the bar in Yanov station, and can only be hired after completing the Debts side mission. Zulu has a fairly weak PSZ-9Md outfit, although this is offset by his extremely powerful custom RP-74, making him very effective against both mutants and NPCs alike. Hiring all available squadmates will earn the player the Leader achievement, making the squadmates more resistant to damage.

After a drunken conversation (where the player can humorously tell Zulu about events in the storyline), Zulu agrees to go to the underground with the player, although at least one teammate will be required. Nitro advises the player to speak to Zulu regarding putting a squad together to go through the underground. The mission is given once the player has brought Nitro the Duty Shift Log, Documents with notes and the Underpass Schematics from the Road to Pripyat mission.

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