7 sailors missing from U.S. destroyer after collision

The USS Fitzgerald U.S. NAVY / FLICKR
TOKYO — Seven U.S. Navy sailors are missing after the USS Fitzgerald destroyer collided before dawn with a container ship four times its size off the coast of Japan, CBS News national security correspondent David Martin reports.
A spokesman for the 7th Fleet said U.S. and Japanese aircraft continue to search for the missing sailors. The collision occurred at 2:30 a.m. local time about 56 nautical miles off the coast of Yokosuka, Japan, which is home to