Defined in wikipedia thus:-
‘A nuclear bunker buster also known as an earth-penetrating weapon (EPW), is the nuclear equivalent of the conventional bunker buster’.
’Bunker‘ in Greek, as in English, has several meanings, as, e.g. οχυρό καταφύγιο, πολεμικό όχυρο, όχυρο, παγίδα άμμου, whether a...