
Editor's note, 11/19/2021, 12:41 p.m. Eastern time. The story was changed to show that the program has two months of margin, according to the Navy's program executive officer for strategic submarines. The Navy’s Columbia-class submarine program could be down to as little as two months of margin, the admiral in charge of the program told the Navy Submarine League’s Annual Symposium on Thursday. “There’s really not much margin there,” Rear Adm. Scott Pappano, the Navy’s program executive officer for strategic…