Quiet--Testing In Progress

Quiet--Testing In Progress: The Air Force is utilizing the world’s only quiet hypersonic wind tunnel at Purdue University to support the X-51A WaveRider Scramjet Engine Demonstrator program. The tunnel, developed by Boeing and the Air Force Office of Scientific Research, is unique in allowing engineers to assess the performance of air vehicles traveling at speeds reaching 4,000 mph or about Mach 6. With it, they can study airflow over the nose of X-51A to optimize its design. “Researchers are now able to characterize, or describe, the onset of the laminar to turbulent transition on hypersonic aircraft such as the X-51A with clarity that would be impossible using a conventional wind tunnel,” said John Schmisseur, AFOSR program manager. The X-51A completed its critical design review last June and fired the engine for the first time. (USAF report by Molly Lachance)

1/8/2008

Verbatim

Preemptive Action
"Since the [Defense] Department's acceptance of the independent estimates last fall, we've been, in just about every respect, acting as if the program were in a Nunn-McCurdy breach. ... We've been taking all of the mitigating and corrective action that we would take as if there were a Nunn-McCurdy breach."
—Air Force Secretary Michael Donley, discussing with reporters the restructure of the F-35 strike fighter program announced in February 2010 and the probability that the program will soon exceed Nunn-McCurdy cost-monitoring thresholds that would necessitate, per US law, a program review and corrective steps, Washington, D.C., March 2, 2010.

Verbatim

Message for Grandma
"She has working for her as a citizen in the United States an Air Force Reserve that has some very talented, capable, patriotic, and willing individuals doing the business to keep this nation free. Just like her generation—the 'Greatest Generation'—was, I am very proud of the folks that we have got. If not the second greatest, then they are an extension of the greatest generation and they are ready, willing, and able to do the things that she would want them to do to make sure we keep our freedoms."
—Lt. Gen. Charles Stenner, Air Force Reserve chief, responding to a reporter's question on what the reporter should tell his 85-year-old grandmother to convey to her the importance of Air Force Reservists to the nation's security, Orlando, Fla., Feb. 19, 2010.