North Korea tested two Rodong-type missiles off its east coast early Wednesday morning, South Korea’s defense ministry told Yonhap news.

The missiles, which were said to have travelled some 650km, are the longest-range ballistic weapons to have been tested by the DPRK since its successful December 2012 Unha 3 rocket test.

Wednesday’s launches come amid ongoing joint U.S – South Korea military drills that have led to North Korea launching several volleys of short-range ballistic missiles, rockets and heavy artillery since late-February.

Perhaps not by chance, Wednesday’s Rodong tests also coincided with President Barack Obama and President Park Geun-hye’s ongoing