I think the first flight of a rocket which actually flew with an aerospike engine was in large part a university project - http://www.astronautix.com/engines/ga

I think the first flight of a rocket which actually flew with an aerospike engine was in large part a university project - http://www.astronautix.com/engines/garspike.htm http://www.astronautix.com/engines/garspike.htm .