The document is a letter from the Chairman and CEO of Raytheon Company inviting shareholders to attend Raytheon's 2007 Annual Meeting of Shareholders. It provides details about the meeting such as the date, time, and location. It also summarizes changes to Raytheon's corporate governance practices including amending by-laws to require majority voting for directors and strengthening the role of the Lead Director. The letter encourages shareholders to vote by proxy and review additional information in the proxy statement and on the company's website.