Attached files

file filename
EX-3.1 - CERTIFICATE OF AMENDMENT OF RESTATED CERTIFICATE OF INCORPORATION - RAYTHEON CO/dex31.htm
EX-32.2 - CERTIFICATION OF DAVID C. WAJSGRAS PURSUANT TO 18 U.S.C. SECTION 1350 - RAYTHEON CO/dex322.htm
EX-31.2 - CERTIFICATION OF DAVID C. WAJSGRAS PURSUANT TO SECTION 302 - RAYTHEON CO/dex312.htm
EX-32.1 - CERTIFICATION OF WILLIAM H. SWANSON PURSUANT TO 18 U.S.C. SECTION 1350 - RAYTHEON CO/dex321.htm
EX-31.1 - CERTIFICATION OF WILLIAM H. SWANSON PURSUANT TO SECTION 302 - RAYTHEON CO/dex311.htm
10-Q - FORM 10-Q - RAYTHEON CO/d10q.htm

Exhibit 15

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We are aware that our report dated July 29, 2010 on our review of interim financial information of Raytheon Company and its subsidiaries (the Company) for the three and six month periods ended June 27, 2010 and June 28, 2009 and included in the Company’s Quarterly Report on Form 10-Q for the quarter ended June 27, 2010 is incorporated by reference in its Registration Statements on Form S-3 (File Nos. 333-154677; 333-71974; 333-58474; and 333-82529) and Form S-8 (File Nos. 333-124690; 333-56117; 333-52536; 333-64168; and 333-45629).

 

Very truly yours,

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP
Boston, Massachusetts
July 29, 2010