<SEC-DOCUMENT>0001213900-21-046727-index.html : 20210903
<SEC-HEADER>0001213900-21-046727.hdr.sgml : 20210903
<ACCEPTANCE-DATETIME>20210903184459
ACCESSION NUMBER:		0001213900-21-046727
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210825
FILED AS OF DATE:		20210903
DATE AS OF CHANGE:		20210903

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vector Capital Partners V, Ltd
		CENTRAL INDEX KEY:			0001649155
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39560
		FILM NUMBER:		211237836

	BUSINESS ADDRESS:	
		STREET 1:		ONE MARKET STREET, 23RD FL.
		STREET 2:		STEUART TOWER
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94105
		BUSINESS PHONE:		415.293.5000

	MAIL ADDRESS:	
		STREET 1:		ONE MARKET STREET, 23RD FL.
		STREET 2:		STEUART TOWER
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94105

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vector Acquisition Partners, L.P.
		CENTRAL INDEX KEY:			0001819912
		STATE OF INCORPORATION:			E9
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-39560
		FILM NUMBER:		211237837

	BUSINESS ADDRESS:	
		STREET 1:		ONE MARKET STREET, 23RD FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94105
		BUSINESS PHONE:		415-293-5000

	MAIL ADDRESS:	
		STREET 1:		ONE MARKET STREET, 23RD FLOOR
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94105

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Rocket Lab USA, Inc.
		CENTRAL INDEX KEY:			0001819994
		STANDARD INDUSTRIAL CLASSIFICATION:	GUIDED MISSILES & SPACE VEHICLES & PARTS [3760]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3881 MCGOWEN STREET
		CITY:			LONG BEACH
		STATE:			CA
		ZIP:			90808
		BUSINESS PHONE:		714-465-5737

	MAIL ADDRESS:	
		STREET 1:		3881 MCGOWEN STREET
		CITY:			LONG BEACH
		STATE:			CA
		ZIP:			90808

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Vector Acquisition Corp
		DATE OF NAME CHANGE:	20200803
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
Document 1 - file: ownership.html

Document 1 - RAW XML: ownership.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>ea146969ex99-1_rocketlab.htm
<DESCRIPTION>JOINT FILING AGREEMENT
<TEXT>
Document 2 - file: ea146969ex99-1_rocketlab.htm

</DOCUMENT>
</SEC-DOCUMENT>