Lights spotted over the Tri-Cities on Wednesday night likely were from low-flying aircraft, according to Tri-Cities Airport officials.
Buck Taft, deputy airport director, said two C-17s, which are military transport aircraft, were flying in formation Wednesday evening.
Roberto Rosales said in an email to the Herald he saw two lights in the sky as he drove home from work.
"They were coming from the east and as they got close to where I was parked, they started turning to the north, towards the airport but didn't land, they kept going north. There was no audible engine sound at all," he said.
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Rosales said he thought the lights likely were planes but their proximity to the ground and to each other left him unsure.
Taft said he wasn't aware of any other military aircraft expected in the area in the coming days but such planes do appear in the region's skies at random, usually flying in formation.