North Korea launches 2 more ballistic missiles; one lands in Sea of Japan

North Korea launched two more ballistic missiles Thursday morning, one of 

which landed in the Sea of Japan, U.S. officials confirmed

to CBS News. The second missile landed in North Korea, the officials said.

It's unclear if Thursday's launches were in direct response to the announcement 

Wednesday that the U.S. aircraft carrier USS Ronald Reagan would return to waters 

east of South Korea. The carrier was part of drills last week with

South Korea and Japan South Korea's Joint Chiefs of Staff said in a statement that the