- North Korea has launched several Musudan missiles without success
- Schilling says testing missiles in quick succession suggests other motives are at play
- North Korea has usually done what sensible engineers do in the face of failure -- stand down
John Schilling is an aerospace engineer with more than 20 years of experience, specializing in rocket and spacecraft propulsion and mission analysis. He's a regular contributor to 38 North, a North Korean monitoring project run by the U.S. Korea Institute at SAIS. He has updated previous analysis published on June 5. The views expressed here are the author's own.
(CNN)Last month, we noted that an unprecedented four consecutive failures for North Korea's Musudan missile, and the extreme haste in which those tests were conducted suggested both severe problems with the missile and a desperate attempt to score at least a propaganda victory with the floundering system.