Cluster bombs were my first thought as well. But the discouraging thing is that the last line in the Wikipedia citation you provided indicates that our remaining CBU-72’s are being “demilitarized”, which I take as Obama-speak for unilateral disarmament.
Different times, different weapons. Rest assured the USN has some impressively effective goodies. Remember that they regularly transverse the Strait of Hormuz, so this is never very far from their thoughts.