It's the first acknowledged crash of a B-2 since the plane become known to the public and operational.

See the first video of the B-2 bomber crash below.

Initial reports indicate the missile hit the target but it is unknown if the fuel tank was destroyed. See video of the missile impact with the spy satellite below.

Pentagon Video of Missile Attack on Satellite

The other pilot is reported to be in good condition. The aircraft were assigned to the 33rd Fighter Wing and the 58th Fighter Squadron, based in Eglin Air Force Base (AFB), in Florida. Initial indications are the accident was a mid-air collision.

Built by the Magician of Mojave, Burt Rutan (Scaled Composites), both vehicles are clearly derived from the record setting duo of SpaceShipOne and its WhiteKnight launch plane. The combination of SpaceShipOne and WhiteKnight won the Ansari X Prize in 2004.

Funded by innovative businessman Richard Branson and his start-up Virgin Galactic, the spaceship has enticed over 200 people from countries around the world to place deposits for the over two hundred thousand dollar trip ($200,000 USD), according to the firm.

Watch the video below:

According to statements released by investigators today, while on final approach the autothrottle of the Boeing 777-300 commanded power at least twice when the engines failed to respond.

The accident aircraft was being flown by the first officer (co-pilot) who attempted to recover the aircraft by selecting manual throttle but to no avail.

Watch the video below.

News reports say that the emergency evacuation slides were deployed and all passengers left the aircraft. Three injuries were reported.

A statement issued by the US National Transportation Safety Board (NTSB) indicates the accident aircraft is a Boeing 777-300 and it landed short of runway 27 Left at Heathrow. It went on to say that the accident occurred at 12:42 p.m. local time. It also confirmed that the passengers deplaned via the emergency slides and that only minor injuries were reported.

According to the NTSB, the UK's Air Accident Investigation Branch or AAIB will be the lead investigation agency as one would expect for a crash such as this in London.

Watch the video below.

"The fundamental design and technologies of the 787 remain sound," said Scott Carson, president and CEO of Boeing Commercial Airplanes. "However, we continue to be challenged by start-up issues in our factory and in our extended global supply-chain.

As shown in the video below, the accident aircraft's pilot managed to eject safely as the F-15 broke apart just behind the cockpit. A large number of F-15s were grounded and some will remain so pending a decision from the Air Force on the best course of action to repair the defect, if that proves to be cost effective.