Serpukhov-15
... that in 1983, in the Russian military town Serpukhov-15, the system controlling the Soviet Union's Oko satellites received warning of American ICBMs being launched?
... that in 1983, in the Russian <a class="mw-redirect" href="./Closed_town" id="mwXg" rel="mw:WikiLink" title="Closed town">military town</a> <b id="mwXw"><a href="./Serpukhov-15" id="mwYA" rel="mw:WikiLink" title="Serpukhov-15">Serpukhov-15</a></b>, the system controlling the Soviet Union's <a href="./Oko" id="mwYQ" rel="mw:WikiLink" title="Oko">Oko</a> satellites <a href="./1983_Soviet_nuclear_false_alarm_incident" id="mwYg" rel="mw:WikiLink" title="1983 Soviet nuclear false alarm incident">received warning</a> of American <a class="mw-redirect" href="./ICBM" id="mwYw" rel="mw:WikiLink" title="ICBM">ICBMs</a> being launched?