Exhibit 3.1

CERTIFICATE OF INCORPORATION

OF

RAYTHEON COMPANY

ARTICLE I

The name of the corporation (which is hereinafter referred to as the “Corporation”) is:

Raytheon Company

ARTICLE II

The address of the Corporation’s registered office in the State of Delaware is c/o The Corporation Trust Company, The Corporation Trust Center, 1209 Orange Street in the City of Wilmington, County of New Castle, State of Delaware 19801. The name of the Corporation’s registered agent at such address is The Corporation Trust Company.

ARTICLE III

The purpose of the Corporation shall be to engage in any lawful act or activity for which corporations may be organized and incorporated under the General Corporation Law of the State of Delaware.

ARTICLE IV

Section 1.     The Corporation shall be authorized to issue one thousand (1,000) shares of capital stock, all of which shall be shares of common stock, $0.01 par value (“Common Stock”).

Section 2.     Except as otherwise provided by law, the Common Stock shall have the exclusive right to vote for the election of directors and for all other purposes. Each share of Common Stock shall have one vote, and the Common Stock shall vote together as a single class.

ARTICLE V

Unless and except to the extent that the By-Laws of the Corporation shall so require, the election of directors of the Corporation need not be by written ballot.

ARTICLE VI

In furtherance and not in limitation of the powers conferred by law, the Board of Directors of the Corporation (the “Board”) is expressly authorized and empowered to make, alter and repeal the By-Laws of the Corporation by a majority vote at any regular or special meeting of the Board or by written consent, subject to the power of the stockholders of the Corporation to alter or repeal any By-Laws made by the Board.

ARTICLE VII

The Corporation reserves the right at any time from time to time to amend, alter, change or repeal any provision contained in this Certificate of Incorporation, and any other provisions authorized by the laws of the State of Delaware at the time in force

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may be added or inserted, in the manner now or hereafter prescribed by law; and all rights, preferences and privileges of whatsoever nature conferred upon stockholders, directors or any other persons whomsoever by and pursuant to this Certificate of Incorporation in its present form or as hereafter amended are granted subject to the right reserved in this Article.

ARTICLE VIII

A director of the Corporation shall not be personally liable to the Corporation or its stockholders for monetary damages for breach of fiduciary duty as a director, except for liability (i) for any breach of the director’s duty of loyalty to the Corporation or its stockholders, (ii) for acts or omissions not in good faith or which involve intentional misconduct or a knowing violation of law, (iii) under Section 174 of the General Corporation Law of the State of Delaware for payment of unlawful dividends or unlawful stock repurchases or redemption, or (iv) for any transaction from which the director derived an improper personal benefit. No repeal or modification of this paragraph, directly or by adoption of an inconsistent provision of this Certificate of Incorporation, by the stockholders of the Corporation shall be effective with respect to any cause of action, suit, claim or other matter that, but for this paragraph, would accrue or arise prior to such repeal or modification.

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