<SEC-DOCUMENT>0001193125-21-365016-index.html : 20211222
<SEC-HEADER>0001193125-21-365016.hdr.sgml : 20211222
<ACCEPTANCE-DATETIME>20211222162620
ACCESSION NUMBER:		0001193125-21-365016
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20211222
DATE AS OF CHANGE:		20211222

FILER:

	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

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-259797
		FILM NUMBER:		211513583

	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>424B3
<SEQUENCE>1
<FILENAME>d198390d424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: d198390d424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g87148g47x24.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g87148g47x24.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g87148g94s61.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g87148g94s61.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g87148g95r40.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g87148g95r40.jpg

</DOCUMENT>
</SEC-DOCUMENT>