By Hyonhee Shin and Josh Smith SEOUL (Reuters) -North Korea’s military said on Monday that recent South Korea-U.S. military exercises were an “open provocation and dangerous war drill”, as the South said it had recovered parts of a North Korean missile that landed off its coast. Last week, North Korea test-fired multiple missiles, including a possible failed intercontinental ballistic missile (ICBM), and hundreds of artillery shells into the sea, as South Korea and the United States carried out six-day air drills that ended on Saturday. The North’s military said the “Vigilant Storm” exercises …