Controllers are placed on the side, the system looks like this;
View attachment 44283
Bottom is the under the deck part which fits into Stanflex, then deck integration and then the above deck-exposed part (where canisters are replaced via).
It occupies far less space than MK41 in depth thus it was favored as ESSM only solution. Otherwise any logical Navy would opt for Mk41 and use quad-packed ESSM.
View attachment 44284
total height: Missile + exhaust ~ foundation for the unit.
No need secret information for this.
I have no idea how far that multi-deck access RHIB bay penetrates or whether Mk41 could be integrated in there or whether it would be feasible. Again the most viable option is to separate launchers.