Workers assemble a Boeing Co. next-generation 737 airplane, Tuesday, Jan. 29, 2013 at the company's 737 assembly facility in Renton, Wash. On Jan. 25, 2013, Boeing began assembling next-generation 737... more 
Workers assemble a Boeing Co. next-generation 737 airplane, Tuesday, Jan. 29, 2013 at the company's 737 assembly facility in Renton, Wash. On Jan. 25, 2013, Boeing began assembling next-generation 737 passenger airplanes at an increased rate of 38 planes per month. (AP Photo/Ted S. Warren) less 
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Associated Press | Photo By Ted S. Warren
Tue, Jan 29, 2013 4:27 PM EST