Anyway,
the discussion remains…
while the original problem (involving the offloading transport being adjacent to a hostile sea zone) is resolved…
ncscswitch mentioned another way of how you can interpret the sentence in the rulebook…
he says sz2 is an adjacent hostile sz to the territory you wish to offload, so you could not load/offload in UK when your transport is in sz6.
If you look closely at the rules, I must say this is possible, while indeed:
A transport may not load or offload in a territory adjacent to a hostile sea zone, unless the enemy units consist
only of submerged submarines
in the example: A transport (in sz6) may not offload in a territory (UK) adjacent to a hostile sea zone (sz2)
But: this is nowhere near common sense!!!
So, i believe the best way to interpret and play the discussed rule is:
A transport may not load or offload in a territory while this sea zone is still hostile, unless the enemy units consist
only of submerged submarines