While the debate goes on about what NASA should do and what it should let private companies do and use as a shelf product, I came up with the term to describe things NASA need to do by themselves rather than letting others – NASAssary 

Full details on Spacepirations - http://www.spacepirations.com/2010/10/nasassarry.html

So, is a heavy-lift NASAssary? How about propellant-depots?