EX-24

Exhibit 24

POWER OF ATTORNEY

KNOW TO ALL PERSONS BY THESE PRESENTS, that each of the undersigned, being a director of Harris Corporation, a Delaware corporation (“Harris”) hereby constitutes and appoints SCOTT T. MIKUEN and EUGENE S. CAVALLUCCI, each and individually, as his or her true and lawful attorneys-in-fact and agents, with full and several power of substitution and re-substitution, for and in the name, place and stead of the undersigned, for him or her in any and all capacities, to sign a Registration Statement on Form S-3 in connection with the registration under the Securities Act of 1933, as amended (the “Securities Act”) of various securities (including debt securities, preferred stock, common stock, depositary shares or warrants) and any and all amendments including post-effective amendments, to the Registration Statement of Harris Corporation on Form S-3 under the Securities Act, and to file the same, with all exhibits thereto and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto each of such attorneys-in-fact and agents full power and authority to do and perform each and every act and thing requisite and necessary in connection with such matters and hereby ratifying and confirming all that each such attorneys-in-fact or agents or their substitutes, may do or cause to be done by virtue hereof. This Power of Attorney may be signed in several counterparts.

IN WITNESS WHEREOF, each of the undersigned has executed this Power of Attorney this 27th day of February, 2009.

/s/ Thomas A. Dattilo

Thomas A. Dattilo

Director

/s/ Terry D. Growcock

Terry D. Growcock

Director

/s/ Lewis Hay III

Lewis Hay III

Director

/s/ Karen Katen

Karen Katen

Director

/s/ Stephen P. Kaufman

Stephen P. Kaufman

Director

/s/ Leslie F. Kenne

Leslie F. Kenne

Director