In this March 19, 1954, photo from the Boeing Co. archive, a Boeing B-52 Stratofortress airplane is rolled out of Boeing's historic "Plant 2" in Seattle. After giving birth to some of the world's most significant aircraft, the outdated facility is scheduled to be torn down in the fall of 2010. (AP Photo/Courtesy Boeing Co.)

In this March 19, 1954, photo from the Boeing Co. archive, a Boeing B-52 Stratofortress airplane is rolled out of Boeing's historic "Plant 2" in Seattle. After giving birth to some of the world's most significant aircraft, the outdated facility is scheduled to be torn down in the fall of 2010. (AP Photo/Courtesy Boeing Co.)