<SEC-DOCUMENT>0001193125-21-355557-index.html : 20211213
<SEC-HEADER>0001193125-21-355557.hdr.sgml : 20211213
<ACCEPTANCE-DATETIME>20211213171615
ACCESSION NUMBER:		0001193125-21-355557
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		16
FILED AS OF DATE:		20211213
DATE AS OF CHANGE:		20211213

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:		211488869

	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>d47447d424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: d47447d424b3.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g2722433.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g2722433.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g272243ex99_2p10g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g272243ex99_2p10g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g272243ex99_2p11g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g272243ex99_2p11g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g272243ex99_2p12g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g272243ex99_2p12g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g272243ex99_2p13g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g272243ex99_2p13g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g272243ex99_2p14g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g272243ex99_2p14g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g272243ex99_2p1g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g272243ex99_2p1g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g272243ex99_2p2g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g272243ex99_2p2g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g272243ex99_2p3g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g272243ex99_2p3g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g272243ex99_2p4g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g272243ex99_2p4g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g272243ex99_2p5g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g272243ex99_2p5g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g272243ex99_2p6g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g272243ex99_2p6g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g272243ex99_2p7g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g272243ex99_2p7g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g272243ex99_2p8g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g272243ex99_2p8g1.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g272243ex99_2p9g1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g272243ex99_2p9g1.jpg
</DOCUMENT> </SEC-DOCUMENT>