[1] The concept for Copperhead was originally made in 1970 by engineers at the US Army's Rodman Laboratories, with feasibility studies conducted in 1971.

Once the laser signal is detected, the on-board guidance system will operate the steering vanes to maneuver the projectile to the target.

Glide phase targeting logic is designed to ensure the largest possible angle of fall permitted by the cloud cover and the visibility.

[1] Lebanese Armed Forces fired several hundred Copperhead shells at ISIL targets in east Lebanon during the Qalamoun offensive (July–August 2017).

In 2018 the US delivered 827 Copperhead shells to the Lebanese Armed Forces in an aid package alongside Bradley fighting vehicles and MK19 40mm grenade launchers.

[7][vague] Ukraine's military confirmedly employed Copperhead shells to strike a Russian communications tower in Kursk in November 2024, and a command bunker in Kherson 2025.