{HEAD ~ The image information} includes the horizontal and vertical lengths of {TAIL ~ the landing mark} captured by the camera 
{ HEAD ~ The image information } includes the horizontal and vertical lengths of { TAIL ~ the landing mark } captured by the camera
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH