The standard-bearer was moving slowest, and gradually falling behind. Bob almost had him when the fellow chanced to look back; then he let out a yell and spurred his horse forward. The two officers in front, perhaps eight lengths ahead of him, looked back to see their standard-bearer in trouble; he could not defend himself without dropping the colors. As this happened Bob got a direct view of their faces and realized for the first time that one of the two was Upnor.