I find that singularly difficult to believe. If it is true, then the ******* who made the decision should be busted down to SR and drummed out of the Navy.
I HATED celestial nav at USNA simply because I never got it. Later, however, when I went to Navigator School, I discovered just how easy it really is once you know what numbers to pull from the tables and books. It is a beautiful science, and shockingly accurate if done with care.
I can't conceive of HoMoTo, the Happy Japanese Admiral, having been retired!