Navy submarine returns to sea

CFB ESQUIMALT, B.C. - The first of four Canadian navy submarines has returned to sea, after they were all grounded in the wake of the deadly fire aboard HMCS Chicoutimi last fall.CFB ESQUIMALT, B.C. - The first of four Canadian navy submarines has returned to sea, after they were all grounded in the wake of the deadly fire aboard HMCS Chicoutimi last fall.