The South Korean government and military are considering developing stealth aircraft by 2015 as part of the country's fighter development program. Citing an unnamed military source, Yonhap News Agency reported on Monday that North Korea's deadly shelling of Yeonpyeong Island last month has bolstered support among officials in Seoul for pursuing stealth aircraft technology. The possession of stealth aircraft beyond the North's detection capabilities could apply great psychological pressure on the regime, the source said, and allow the South to match the military technology of advanced nations