ALT Map of the U.S. East Coast from South Carolina to Massachusetts. An inset on the right says "Colors indicate when viewers will have line-of-sight access to the vehicle, with 3 degrees elevation or more. Measured in seconds after takeoff." Areas of the map are shaded as crescents wth different colors according to the number of seconds after liftoff. Light blue, near the launch site: 0-30 seconds. Light green, or the Chesapeake Bay area, is 30-60 seconds. Yellow, from northern North Carolina to southern New Jersey, is 60-90 seconds. Purple goes from central North Carolina through eastern Pennsylvania and central New Jersey and is at 90-120 seconds. Turquoise goes from central North Carolina through West Virginia, central Pennsylvania, and southern New York and is at 120-150 seconds. Orange goes from northern South Carolina, West Virginia, western Pennsylvania, southern New York to most of Massachusetts. It's at 150-180 seconds.