Flags of terror SCP

It was a sunny day the first time it happen, but it wouldn't be the last

It seems as though the best weather's can have the worst turn outs
like pearl harbor or September 11th
On that day I heard the sound of them approaching, they love the enemy, but I don't think the enemy loves them

The enemy made this thing, all my family, friends, they saw it. And then it was too late.

On that day the enemy's