20180730/https://en.wikipedia.org/wiki/Laser_pointer
20180730/http://coastguard.dodlive.mil/2012/08/green-lasers-halt-coast-guard-air-searches/
20180730/https://en.wikipedia.org/wiki/Laser_pointer
20180730/http://coastguard.dodlive.mil/2012/08/green-lasers-halt-coast-guard-air-searches/