amphibious assault(n = noun.act) - an amphibious operation attacking a land base that is carried out by troops that are landed by naval ships;
is a kind of amphibious operation
has particulars: eniwetok, inchon, invasion of iwo, iwo, iwo jima, kwajalein, leyte, leyte invasion, leyte island, saipan, salerno, makin, tarawa, tarawa-makin, battle of wake, battle of wake island

aggravated assault, amphibious, amphibious aircraft, amphibious demonstration, amphibious landing, amphibious operation, amphibious vehicle, assault, assault and battery, assault gun, assault rifle, sexual assault