Two American pilots suffered eye injuries after Chinese nationals allegedly pointed lasers at their planes near Djibouti.
The United States has formally complained to China after a number of incidents in recent weeks, the Pentagon said on Thursday.
The U.S. military has been grappling with lasers being pointed at aircraft for decades. However, the incidents highlight the concern the United States has about a Chinese military base just miles from a critical U.S. base, Camp Lemonnier, in Djibouti.
The U.S. has filed a complaint with China for pointing lasers at aircraft near Djibouti in Africa, the Pentagon said Thursday. Above, China's naval base in Djibouti pictured above in August 2017
The U.S. air base is located just south of the city, while the Chinese naval base is to the west of the city. They are located about six miles apart
'They are very serious incidents ... We have formally démarched the Chinese government and we've requested the Chinese investigate these incidents,' Pentagon spokeswoman Dana White told reporters.