MUFON 54455

{nd} Moved slowly around sky getting closer to ground. We observed a very faint curved white line moving slowly in the sky up above our heads. It had a strange path, going up and down, left to right. We watched it for about 20 seconds until it disappeared behind a tree. About 3 minutes later a low flying army helicopter flew above our apartments with its search light on, in the direction of the tree that the object disappeared behind.