It has 6 standard 533 mm tubes and 4 decidedly non-standard 650 mm tubes. The Popeye SLCM can be lanched from the standard 533 mm tubes. It isn’t said what comes out of the 650 mm tubes.
“—what comes out of the 650 mm tubes? “——just remember the words of Sgt R. Lee Ermey-——a really big can of whupass!