An annual gathering of top international security figures that last year set the tone for a growing rift between the United States and Europe opens Friday.
The service said integrating third-party autonomous software is a major step on developing drones that can fly themselves alongside jets like the F-35.
The destroyer USS Truxtun and the supply ship USNS Supply collided as the warship was getting a load of supplies, leaving two troops with minor injuries.
To address the stated concerns in Moscow and Washington, a multilateral pact would be required, a process that experts say could be exceedingly tricky.