. ▁ ▁During ▁a ▁rescue ▁operation ▁undert aken ▁near ▁J ama ica , ▁CD R ▁Ch and ler ▁and ▁Tex ▁N olan ▁( John ▁Py per - F erg us on ), ▁the ▁private ▁security / mil it ary ▁contract or ▁who ▁joined ▁the ▁Nathan ▁James ▁at ▁Gu ant an amo ▁Bay , ▁were ▁lost ▁at ▁sea ▁and ▁then ▁taken ▁capt ive ▁by ▁Admir al ▁Rus kov . ▁ ▁The ▁two ▁of ▁them ▁were ▁res cu ed ▁by ▁the ▁Nathan ▁James , ▁and ▁upon ▁their ▁escape , ▁det on ated ▁a ▁set ▁of ▁explos ives ▁left ▁by ▁the ▁board ing ▁party ▁that ▁ultimately ▁s unk ▁the ▁V y erni ▁with ▁all ▁hands ▁( save ▁for ▁N iels ▁S ør ensen ▁( E bon ▁M oss - B ach rach ), ▁a ▁Norwegian ▁scient ist ▁held ▁prisoner ▁by ▁Rus kov ). ▁ ▁With ▁the ▁Rus si ans ▁defeated ▁and ▁a ▁c ure ▁synth es ized , ▁the ▁Nathan ▁James ▁makes ▁port ▁in ▁Baltimore , ▁Maryland , ▁where ▁they ▁meet ▁up ▁with ▁Amy ▁Grand erson ▁( Al fre ▁Wood ard ), ▁the ▁Vice ▁Chair ▁of ▁the ▁President ' s ▁Def ense ▁Policy ▁Board ▁and ▁mother ▁of ▁one ▁of ▁Ch and ler ' s ▁officers , ▁who ▁claims ▁to ▁be ▁the ▁leader ▁of ▁what ' s ▁left ▁of ▁the ▁United ▁States ▁government . ▁As ▁Ch and ler ▁fr ant ically ▁searches ▁for ▁his ▁family ▁( who ▁have ▁tra ve led ▁to ▁Baltimore ▁from ▁Virginia ▁to ▁meet ▁him ), ▁he ▁lear ns ▁that ▁Grand erson ▁and ▁her