The United States and China are quietly negotiating a military crisis-prevention accord aimed at lowering the chance of an accidental clash between their armed forces. The talks have gained urgency ahead of a planned summit in Shenzhen, yet people familiar with the discussions say progress has been uneven because of competing views within the US administration.

Both governments share an interest in avoiding miscalculation. After a Crisis Communications and Prevention Working Group meeting earlier this month, the Pentagon said the two sides agreed on the value of “advancing practical communication measures” to reduce risk. That language falls short of a binding treaty, but it signals a shared recognition that current channels may not be enough in a fast-moving emergency.

From accident prevention to strategic risks

The existing framework grew out of decades of encounters between ships and aircraft in the Western Pacific. Those rules were designed mainly to prevent collisions or near misses, not to manage a major strategic crisis involving nuclear forces or a flare-up over Taiwan or the South China Sea.

Analysts warn that the low-level mechanisms now in place could be overwhelmed if tensions escalated sharply. A nuclear incident or a clash around a disputed flashpoint would require senior leaders to communicate quickly and with clear protocols, something the current system does not reliably provide.

Washington weighs the terms

US officials are divided over how far to go in formalizing a broader pact. Some favor a more ambitious agreement that sets out clearer rules for escalation control, while others worry that signing such a document could be read as a concession or could limit American operational flexibility in the region.

The divisions have slowed the drafting process, according to sources, even as the summit date approaches. Beijing, for its part, has publicly indicated support for a crisis-communication mechanism and has pressed for a framework that treats both militaries as equals.

Why the timing matters

The Shenzhen meeting will be one of the highest-level encounters between the two governments this year. A credible accident-prevention agreement, even a modest one, could give both leaders a concrete deliverable and reduce the odds that a patrol plane or warship encounter spirals into something far more dangerous.

But a failure to make progress would leave the world's two most powerful militaries relying on the same ad hoc procedures that have proved fragile in the past. For commanders operating in close proximity across the Indo-Pacific, the stakes of that uncertainty are high.