To get somewhat back on topic regarding miniature medal placement; The US Navy regulations state:
Mess Dress: the lowest row [3 -5 medals per row depending on total worn] is placed 3" below the notch of the lapel starting at the inner edge and extending over the edge of the lapel if necessary.
Dinner Dress: the same as for full dress but with miniature medals.

As others have answered US military regulations still call exclusively for swing mounted, pity I love the look of those court mounted medals