This plaque is located at the summit of Wright Peak, the 16th highest peak in the High Peaks of the Adirondack Park of New York, USA. http://en.wikipedia.org/wiki/Wright_Peak
Plaque reads: “In Memory of Aircraft Commander 1st Lt. Rodney D. Bloomgren, Copilot 1st Lt. Melvin Spencer, Navigator 1st Lt. Albert W. Kandetski, Observer A 1c Kenneth R. Jensen. A Strategic Air Command B-47 crew killed here 16 January 1962 while on a mission preserving the peace of our nation.”
Shown in picture are some remains of the plane.