Rocketry

[stickmaker]

NASA has finally admitted the Saturn J-2 engine was a good one deserving further application and begun development on a new version:

http://www.space-travel.com/reports/First_J_2X_Engine_Rockets_Through_First_Round_of_Testing_999.html

Worksafe.

Space enthusiasts have been promoting this idea to NASA for decades. The J-2 was a fantastic engine in the Sixties and with modern materials and production technologies it will be even better.