(5th LD) N. Korea test-fires modified Musudan missile: JCS
(ATTN: UPDATES with JCS's revision on missile type in paras 1-4)
By Choi Kyong-ae
SEOUL, Feb. 12 (Yonhap) -- North Korea on Sunday fired an intermediate-range ballistic missile into the East Sea in an apparent provocation to boast its military readin