Attached files

file filename
EX-10.1 - EXHIBIT 10.1 - RAYTHEON CO/rtn-04x032016xexhibit101.htm
EX-10.2 - EXHIBIT 10.2 - RAYTHEON CO/rtn-04x032016xexhibit102.htm
EX-32.2 - CERTIFICATION OF VICE PRESIDENT AND CHIEF FINANCIAL OFFICER, SECTION 906 - RAYTHEON CO/rtn-04032016xexhibit322x10q.htm
EX-31.2 - CERTIFICATION OF VICE PRESIDENT AND CHIEF FINANCIAL OFFICER, SECTION 302 - RAYTHEON CO/rtn-04032016xexhibit312x10q.htm
EX-32.1 - CERTIFICATION OF CHAIRMAN AND CHIEF EXECUTIVE OFFICER, SECTION 906 - RAYTHEON CO/rtn-04032016xexhibit321x10q.htm
EX-31.1 - CERTIFICATION OF CHAIRMAN AND CHIEF EXECUTIVE OFFICER, SECTION 302 - RAYTHEON CO/rtn-04032016xexhibit311x10q.htm
10-Q - FORM 10-Q - RAYTHEON CO/rtn-04032016x10q.htm
EX-10.4 - EXHIBIT 10.4 - RAYTHEON CO/rtn-04x032016xexhibit104.htm
EX-10.3 - EXHIBIT 10.3 - RAYTHEON CO/rtn-04x032016xexhibit103.htm
Exhibit 15

Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549
Commissioners:
We are aware that our report dated April 28, 2016 on our review of interim financial information of Raytheon Company and its subsidiaries (the "Company") for the three-month periods ended April 3, 2016 and March 29, 2015 and included in the Company’s Quarterly Report on Form 10-Q for the quarter ended April 3, 2016 is incorporated by reference in its Registration Statements on Form S-3 (File Nos. 333-71974; 333-58474; 333-82529; and 333-44321) and Form S-8 (File Nos. 333-124690; 333-56117; 333-52536; 333-64168; 333-45629; and 333-168415).
Very truly yours,
/s/  PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP
Boston, Massachusetts
April 28, 2016