SPECIAL POWER OF ATTORNEY



I, David F. Melcher, of Daytona Beach Shores, County of Volusia, Florida,
hereby appoint JAMES R. EDWARDS (Senior Vice President, General
Counsel and Secretary of Cubic Corporation) and ANGELA L. HARTLEY
(Assistant Corporate Secretary), of 9333 Balboa Avenue, San Diego,
CA  92123, County of San Diego, as my attorneys-in-fact, either one
to act individually in my capacity to do any and all of the
following.

	Apply for an access code for me as a Section 16 filer to
become an EDGAR filer.

	Complete, execute and submit any and all SEC Forms 3, 4 and
5, concerning beneficial ownership of securities required
to be filed with the Securities and Exchange Commission
pursuant to Section 16(a) of the Securities Exchange Act of
1934 as if such acts were performed by me.

	Perform all other acts and do all other things necessary to
be done in regard to such powers as fully as I could do if
personally present.

I further grant to my attorneys-in-fact full authority to act in
any manner, both proper and necessary to the exercise of the
foregoing powers, and to ratify every act that he or she may
lawfully perform in exercising those powers.

The rights, powers, and authority of my attorneys-in-fact to
exercise any and all of the rights and powers herein granted
shall commence and be in full force and effect on the 19th day of
February 2018, and shall remain in full force and effect until
terminated by written notice.

Dated:  February 19, 2018


	/s/ David F. Melcher
	(Name)