VTVL

The reason VTVL makes sense is reusability and very short turn times.

Masten Space System's Xombie Make First Successful Test Flight - NASA Watch 2009

The reason we picked VTVL over HTHL is that we intend on going to very high altitudes as quickly as possible.

Masten Space System's Xombie Make First Successful Test Flight - NASA Watch 2009

It's probably worth pursuing just for the VTVL tech development as well.

Would You Bring Back NGLT-or SLI? - NASA Watch 2009

If your goal is to maximize the payload and altitude for a given propellant load/rocket size, then yes VTVL rockets are at a distinct advantage.

Masten Space System's Xombie Make First Successful Test Flight - NASA Watch 2009

Two-stage VTVL, grown out from current suborbitals.

How Best to Access the ISS-and LEO? - NASA Watch 2009

"I can't see how they [VTVL rockets] stack up against disposable rocket systems with standard payload recovery techniques"

Masten Space System's Xombie Make First Successful Test Flight - NASA Watch 2009

Masten Space Systems completed their first vertical take-off, vertical-landing VTVL rocket flight demonstration Friday.

NASA Watch: News: May 2009 Archives 2009

Masten Space Systems completed their first vertical take-off, vertical-landing VTVL rocket flight demonstration Friday.

NASA Watch: Marc Boucher: May 2009 Archives 2009

There's a few markets for VTVL hovering rockets, being pursued by companies like Armadillo Aerospace (mentioned in the summary), Masten Space Systems, and Blue Origin:

"MAIN" via Steve in Google Reader kdawson 2010

Masten Space Systems is a Mojave, CA based aerospace company developing fully reusable vertical takeoff, vertical landing (VTVL) launch vehicles, rocket-related products, and engineering services.

unknown title 2009