WASHINGTON D.C. (Standard&Poor's) April 30, 2013--Standard&Poor's Ratings Services today assigned its 'A' rating to Boeing Co.'s proposed issuance of floating rate senior unsecured notes due 2014 and senior unsecured notes due 2018. The company plans to use the proceeds for general corporate purposes, including funding its captive finance subsidiary, Boeing Capital Corp. Our ratings on Boeing reflect its position as one of two global producers of large commercial jetliners and as one of the largest U.S. defense contractors. They also reflect the cyclical and competitive nature of the commercial aviation market, pressure on U.S. defense spending, the significant investment needed to develop new aircraft and credit measures (net of cash in excess of $5 billion) that