Exhibit 15.2

September 4, 2019

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We are aware that our reports dated April 25, 2019 and July 25, 2019 on our reviews of interim financial information of Raytheon Company (the “Company”), which areincluded in the Company’s Quarterly Reports on Form 10-Q for the quarters ended March 31, 2019 and June 30, 2019 are incorporated by reference in this Registration Statement on Amendment No. 2 to Form S-4.

Very truly yours,

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

Boston, Massachusetts

September 4, 2019