The document is a letter from Raytheon's Chairman and CEO inviting shareholders to attend Raytheon's 2008 Annual Meeting of Stockholders. It provides information on the date, time, and location of the meeting, as well as noting that shareholders can access a live webcast of the meeting online. It also encourages shareholders to vote their proxy as soon as possible so their shares will be represented. The attached proxy statement includes information on Raytheon's governance, the director nominees, and matters to be voted on at the meeting including election of directors and ratification of the independent auditors.