Sanctions have failed to prevent North Korea from developing nuclear warheads for missiles.
Seeking to export more drones, the Trump administration has loosened export restrictions.
Under a revised U.S.-South Korean agreement, Seoul will be allowed to developed solid-fueled space-launch vehicles.
The Trump administration hopes to expand sales by reinterpreting the Missile Technology Control Regime.
China Deploys New Missile Submarines
Japan Suspends Aegis Ashore Deployment
Upgraded Nuclear Weapon Passes F-15 Test
The Pentagon is moving to develop once-banned missiles even as U.S. allies are not eager to host them.
Some leaders question the deployment of U.S. nuclear weapons on German territory.