An SR-72 in the works?

Jen and I both love the SR-71 Blackbird. It is a perfect airplane for the job. I remember seeing an interview of one of it's engineers after the plane was retired from service and he said that 30 years later, if they had to design an airplane to match the SR-71, it would look exactly like the SR-71; even with the 30 years advancement in technology. Well, it looks like Lockheed Martin�s Skunk Works may be tooling up for it's replacement -- the SR-72. From AirForce Times:

An SR-72 in the works?
years after the Air Force retired the SR-71 spy plane, Lockheed Martin�s legendary Skunk Works appears to be back at work developing a new Mach-6 reconnaissance plane, sources said.

The Air Force has awarded Lockheed�s Advanced Development Projects arm a top-secret contract to develop a stealthy 4,000-mph plane capable of flying to altitudes of about 100,000 feet, with transcontinental range. The plan is to debut the craft around 2020.

The new jet � being referred to by some as the SR-72 � is likely to be unmanned and, while intended for reconnaissance, could eventually trade its sensors for weapons.

The new aircraft would offer a combination of speed, altitude and stealth that could make it virtually impervious to ground-based missiles, sources said. Even the SR-71 is said to have evaded hundreds of missiles fired at it during its long career, although some aircraft sustained minor damage.

But experts say enormous challenges remain. First, the SR-71�s top speed was about 2,200 mph. Pushing a plane at twice that speed in the thin air of the upper stratosphere would require exceptionally powerful engines. Second, friction at high speeds could reduce stealth.

�An aircraft with these characteristics could prove a potent response to anti-satellite weapons,� said Loren Thompson of the Lexington Institute. �If U.S. reconnaissance satellites were lost, an SR-72 could get to areas of interest quickly and provide persistent surveillance in place of the satellite.�

And don�t bother asking the Air Force or Skunk Works executives about their work. None is commenting.

�As a matter of policy, we don�t talk about classified programs � whether or not they exist,� Lockheed�s Tom Jurkowsky said.

Nope -- nuttin' to see here folks, just keep movin' along... I love it! Can't wait for the first 'leaked' pictures. I love that they are considering unmanned -- it would be incredible to be a pilot on something this hot but the trade-offs are much better. You can fly closer to a point of interest without worrying about protecting the pilot. If the plane gets hit, it can self-destruct, pilots can be captured and held for political gain.