Most interesting:<br /><br />"The Shuttle program includes plans for 477 mission flights for a total of five (5) vehicles over the eleven (11) year period that extends from 1978 through 1988. Development, qualification and flight test of the vehicle is scheduled for a calendar period between 1972 and 1978. Design, maintenance and ground support have considered a 14 day turnaround which will include initial landing, sub-orbital flight to the launch facility and completion of launch readiness preparations."