Attached files

file filename
EX-32.2 - CERTIFICATION OF VICE PRESIDENT AND CHIEF FINANCIAL OFFICER, SECTION 906 - RAYTHEON CO/rtn-07012018xexhibit322.htm
EX-32.1 - CERTIFICATION OF CHAIRMAN AND CHIEF EXECUTIVE OFFICER, SECTION 906 - RAYTHEON CO/rtn-07012018xexhibit321.htm
EX-31.2 - CERTIFICATION OF VICE PRESIDENT AND CHIEF FINANCIAL OFFICER, SECTION 302 - RAYTHEON CO/rtn-07012018xexhibit312.htm
EX-31.1 - CERTIFICATION OF CHAIRMAN AND CHIEF EXECUTIVE OFFICER, SECTION 302 - RAYTHEON CO/rtn-07012018xexhibit311.htm
10-Q - 10-Q - RAYTHEON CO/rtn-07012018x10q.htm
Exhibit 15

Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
Commissioners:
We are aware that our report dated July 26, 2018 on our review of interim financial information of Raytheon Company, which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-3 (File Nos. 333-211878; 333-71974; 333-58474; 333-82529 and 333-44321) and Form S-8 (File Nos. 333-168415; 333-124690; 333-64168; 333-52536; 333-56117 and 333-45629) of Raytheon Company.
Very truly yours,
/s/ PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP
Boston, Massachusetts
July 26, 2018