Dual Crews Unlikely.

• Position: Adm. Frank Bowman, interview - Interview

One way of increasing the use of attack submarines--that Adm. Frank Bowman does nor favor--is assigning dual crews in order to keep the vessels at sea more. The Navy employs two sets of crews, one for each six-month deployment, on its ballistic-missile submarines, and it has been considering doing the same thing with its attack subs.

But the idea doesn't appear to be practical, Bowman said.

"We don't have the people," he said. It would take six to eight years to recruit and train the extra officers and crew. Also, he noted, attack submarines don't have oversize...