In the CVPA, there's a ranking system in the event they fall on Operative survivability based off of skills, traits, and past experiences with apocalyptic scenarios. On this list, Gas Mask is ranked "Leader of the New World." Due to Copper-9's events. 185 is ranked as "Death in Honor", which means he's most likely going to die doing what he loves: Delaying the infection. UO however, is ranked as "Unfortunately Fortunate Operative." Which means that he's most likely going to be the last Operative left alive and must witness all those whom he once knew perish, but on the fortunate end, he'll find some other group or find a perfect place to hole up in, and will never be killed himself, even if he wants to die. Hence the Unfortunately Fortunate part of the equation.