NEW : Officials say launch will occur in morning hours between Sunday and Monday . NEW : We will watch ; South Korea ` ` prepared to deal with any crisis '' NEW : Kim Jung Un announces new titles , signaling consolidation of power . NEW : Titles will also indicate power - sharing or mentoring of young leader , Kim says .
NEW : Officials say launch will occur in morning hours between Thursday and Monday . NEW : Japan keeping watch ; South Korea `` prepared to deal with any contingency '' NEW : Kim Jung Un receives new titles , signaling consolidation of power . NEW : Titles may also signal power-sharing or mentoring of young leader , analyst says .