WASHINGTON D.C. (Standard&Poor's) Oct. 28, 2014--Standard&Poor's Ratings Services today assigned its 'A' issue-level rating to Seattle, Wash.-based aircraft manufacturer and defense contractor Boeing Co.'s proposed $850 million senior unsecured notes. The company plans to issue the notes in three tranches: $250 million floating rate notes due 2017, $300 million fixed rate notes due 2021, and $300 million fixed rate notes due 2024. The company plans to use the proceeds for general corporate purposes, including funding its captive finance subsidiary, Boeing Capital Corp. We do not believe that the proposed transaction would significantly alter the company's credit metrics, and our other ratings on the company remain unchanged. Our ratings on Boeing reflect its position as one of