Ruling party lawmakers called for the termination of a landmark inter-Korean military agreement on Friday, arguing the four-year-old pact hamstrings South Korea’s ability to conduct missile tests and other exercises.

Debate about whether to uphold the inter-Korean Comprehensive Military Agreement (CMA) reignited in Seoul this week after a South Korean Hyunmoo-2C ballistic missile failed after launch and crashed less than half a mile (700 m) from a residential area.