Shielded Mild Detonation Cord (SMDCs) Lines and Kits are vital explosive components within the F-15 Eagle's aircraft's emergency canopy removal system. These lines are specifically designed to provide... Shielded Mild Detonation Cord (SMDCs) Lines and Kits are vital explosive components within the F-15 Eagle's aircraft's emergency canopy removal system. These lines are specifically designed to provide the linear transfer of energy needed to activate other components, enabling aircrews to safely escape the aircraft in the event of an emergency.