Amerika imaze iminsi irekuye ubwato bw'ingwano hamwe n'ubundi bugendera munsi y'amazi (sous-marin) mu karere ka Korea, mu gihe hari amakenga ko Korea ya ruguru yoja mu bindi bikogwa vyo kugerageza "missiles" n'ibindi bigwanisho vyo mu bwoko bwa "nucléaire".
