Washington: On Thursday after the incident happened the Navy said Chinese Navy ship launched laser at a United States surveillance aircraft traveling over the Philippines Sea West of Guam.

The Chinese ship lased the USA p-8A Poseidon plane in an act of violation of international agreements and codes.
The laser was not visible to naked eye but it was detected by the sensors of the aircraft.
Weapons graded laser can make severe damage to the mariners as well as the whole aircraft system, the Navy Said.