Seen 2 flying fireball objects gliding across backyard sky. There was no noise of any type of motor and they glided side by side. We watched for about 15-20 seconds. As they got further the light disappeared, going towards Oakdale. We were in shock, trying to figure out what itvwsd. So we sat in backyard yelling to our neighbors. About 10 minutes after, we see ano ther pair same exact and same color. We captured video on cell phone of the two smooth gliding objects. These two were also headed toward Oakdale. What a sight to see. It's making us believers that UFO exist.