Sand on metal beauty

The Kopp-Etchells effect: The sparks from this U.S. Marines helicopter form a starry ring around the edge of the blades—the result of static electricity created by friction between the dust and the metal blades moving through the air.

The Kopp-Etchells effect was first documented during combat operations in Afghanistan. The photographer Michael Yon named the effect after two soldiers who died there, Kopp, a US Ranger, and Etchells, a British soldier. Both were killed in combat in this province of Afghanistan.

Talon Reach 5 Exercise

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