The second would study valve-in-valve TAVR procedures.

FORBES: Two Medical Societies Break New Ground To Test Medical Device

Later that year, a second study in patients with a heart valve problem also failed to show a benefit.

FORBES: Finally, A Win For Vytorin

The rocket launched without a hitch following a flawless countdown that came three days after a faulty valve on one of the rocket's engines forced a last-second postponement.

CNN: Historic launch of private rocket heralds new era