The bunker, so crucial during the final years of the Cold War in the Baltic, was only declassified in 2003.
You feel like you need to bunker up, hide away, and arm yourself.
Surgical masks are strewn around various rooms in the bunker, too.
1758, originally Scottish, "seat, bench," of uncertain origin, possibly a variant of banker "bench" (1670s; see bank (n.2)); possibly from a Scandinavian source (cf. Old Swedish bunke "boards used to protect the cargo of a ship"). Of golf courses, first recorded 1824, from extended sense "earthen seat" (1805); meaning "dug-out fortification" probably is from World War I.