    <SEC-DOCUMENT>0000950170-24-047583-index.html : 20240424
    <SEC-HEADER>0000950170-24-047583.hdr.sgml : 20240424
    <ACCEPTANCE-DATETIME>20240424161004
    ACCESSION NUMBER:		0000950170-24-047583
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20240424
    DATE AS OF CHANGE:		20240424

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Rocket Lab USA, Inc.
    		CENTRAL INDEX KEY:			0001819994
    		STANDARD INDUSTRIAL CLASSIFICATION:	GUIDED MISSILES & SPACE VEHICLES & PARTS [3760]
    		ORGANIZATION NAME:           	04 Manufacturing
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-39560
    		FILM NUMBER:		24870648

    	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>DEFA14A
    <SEQUENCE>1
    <FILENAME>rklb_notice_defa_14a_202.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: rklb_notice_defa_14a_202.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>img207731591_0.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: img207731591_0.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>img207731591_1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: img207731591_1.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>