Exactly correct.
The film gave the impression that the broadcast of, "Our water distillation has broken down..!" had not been a very deliberate US ruse, specifically in order to get the AF location info from the Japanese.
The film gave the impression that the broadcast of, “Our water distillation has broken down..!” had not been a very deliberate US ruse, specifically in order to get the AF location info from the Japanese.
That wasn’t my impression. The film seems to hint that it was a ruse subtly.