<SEC-DOCUMENT>0001049521-15-000021-index.html : 20150529
<SEC-HEADER>0001049521-15-000021.hdr.sgml : 20150529
<ACCEPTANCE-DATETIME>20150529160639
ACCESSION NUMBER:		0001049521-15-000021
CONFORMED SUBMISSION TYPE:	SD
PUBLIC DOCUMENT COUNT:		2
<RULE>
<RULE-NAME>13p-1
<ITEM>
<ITEM-NUMBER>1.01
<ITEM-PERIOD>20141231
</ITEM>
</RULE>
FILED AS OF DATE:		20150529
DATE AS OF CHANGE:		20150529

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERCURY SYSTEMS INC
		CENTRAL INDEX KEY:			0001049521
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRONIC COMPONENTS & ACCESSORIES [3670]
		IRS NUMBER:				042741391
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SD
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23599
		FILM NUMBER:		15899578

	BUSINESS ADDRESS:	
		STREET 1:		201 RIVERNECK ROAD
		CITY:			CHELMSFORD
		STATE:			MA
		ZIP:			01824
		BUSINESS PHONE:		9782561300

	MAIL ADDRESS:	
		STREET 1:		201 RIVERNECK ROAD
		CITY:			CHELMSFORD
		STATE:			MA
		ZIP:			01824

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MERCURY COMPUTER SYSTEMS INC
		DATE OF NAME CHANGE:	19971112
</SEC-HEADER>
<DOCUMENT>
<TYPE>SD
<SEQUENCE>1
<FILENAME>formsd201411.htm
<DESCRIPTION>FORM SD
<TEXT>
Document 1 - file: formsd201411.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-1.01
<SEQUENCE>2
<FILENAME>conflictmineralsreportfort.htm
<DESCRIPTION>CONFLICT MINERALS REPORT
<TEXT>
Document 2 - file: conflictmineralsreportfort.htm

</DOCUMENT>
</SEC-DOCUMENT>