FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Warden Kathy J 		2. Issuer Name and Ticker or Trading Symbol

NORTHROP GRUMMAN CORP /DE/ [ NOC ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
President and COO
(Last)          (First)          (Middle)

2980 FAIRVIEW PARK DRIVE 		3. Date of Earliest Transaction (MM/DD/YYYY)

2/13/2018
(Street)

FALLS CHURCH, VA 22042
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

2/15/2018 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   2/13/2018     M    18939.0000   (1) A $0.0000   93276.3500   D    
Common Stock   2/13/2018     F    8533.0000   (2) D $0.0000   84743.3500   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Performance Stock Rights     (3) 2/13/2018     M         18939.0000   (1)     (3)   (3) Common Stock   18939.0000   $0.0000   33330.0000   (4) D    

Explanation of Responses:
(1)  Shares expected to be issued in settlement of Restricted Performance Stock Rights ("RPSRs") granted under the 2011 Long-Term Incentive Stock Plan ("LTISP") on 2/18/15 with a valuation of performance measurement period ("measurement period") that ended 12/31/17. RPSRs to be settled at 150% of target. The shares are anticipated to be distributed into the participant's account on February 26, 2018.
(2)  Shares surrendered to issuer in payment of tax liability in connection with settlement of RPSRs in accordance with Rule 16b-3(e). Amendment filed to correct the number of shares surrendered.
(3)  Each RPSR represents a contingent right to receive an equivalent number of shares of Issuer common stock, or, at the Issuer's election, cash or a combination of cash and Issuer common stock. The RPSRs vest if the application performance metric is satisfied for the relevant measurement period. Grants awarded pursuant to Rule 16b-3(d).
(4)  Total amount includes 9,944 RPSRs granted on 2/13/18 with a measurement period ending on 12/31/20; 10,676 RPSRs granted on 2/17/17 with a measurement period ending on 12/31/19; and 12,710 RPSRs granted on 2/17/16 with a measurement period ending on 12/31/18.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Warden Kathy J
2980 FAIRVIEW PARK DRIVE
FALLS CHURCH, VA 22042

President and COO

Signatures
/s/ Jennifer C. McGarey, Attorney-in-Fact 2/15/2018
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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