Very strong positions in defense and military space sectors, with generally favorable growth prospects in the intermediate term. One of two global producers of commercial aircraft. Solid cash flow generation. Very ample liquidity. Conservative financial policy. Ethical lapses in the defense and space segment and related investigations and litigation. Fairly weak, albeit improving, short- to intermediate-term demand prospects for commercial airplanes. Sizable unfunded postretirement obligations, although recent material pension contributions reduced required cash payments to the pension plans. Ratings on Chicago, Ill.-based Boeing Co. are supported by its very strong position in defense and military space sectors that have modestly attractive growth prospects, its position as one of two global producers of large commercial aircraft with generally favorable long-term fundamentals,