Exhibit 25.1

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM T-1

STATEMENT OF ELIGIBILITY

UNDER THE TRUST INDENTURE ACT OF 1939

OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE

☐ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO SECTION 305(b) (2)

WELLS FARGO BANK, NATIONAL ASSOCIATION

(Exact name of trustee as specified in its charter)

A National Banking Association	94-1347393
(Jurisdiction of incorporation or organization if not a U.S. national bank)	(I.R.S. Employer Identification No.)
101 North Phillips Avenue Sioux Falls, South Dakota	57104
(Address of principal executive offices)	(Zip code)

Wells Fargo & Company

Law Department, Trust Section

MAC N9305-175

Sixth Street and Marquette Avenue, 17^th Floor

Minneapolis, Minnesota 55479

(612) 667-4608

(Name, address and telephone number of agent for service)

HUNTINGTON INGALLS INDUSTRIES, INC.

(Exact name of obligor as specified in its charter)

Delaware	90-0607005
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
4101 Washington Avenue Newport News, Virginia	23607
(Address of principal executive offices)	(Zip code)

TABLE OF ADDITIONAL REGISTRANTS

Exact Name of Registrant Guarantor as specified in its Charter	State of Organization		I.R.S. Employer Identification Number
AMSEC LLC		Delaware		54-1939565
Camber Corporation		Delaware		06-1159755
Camber Government Solutions Inc.		Delaware		54-1339972
Camber Holding Corporation		Delaware		81-1485592
Camber Technical Services L.L.C.		Alabama		30-0290292
Continental Maritime of San Diego, Inc.		California		95-3647413
Fleet Services Holding Corp.		Delaware		54-1946720
HII Services Corporation		Delaware		47-1929107
HII Technical Solutions Corporation		Delaware		81-4093439
Huntington Ingalls Engineering Services, Inc.		Delaware		46-5604607
Huntington Ingalls Incorporated		Virginia		54-0318880
Huntington Ingalls Industries Energy and Environmental Services, Inc.		Delaware		46-4331677
Huntington Ingalls Unmanned Maritime Systems, Inc.		Delaware		47-1808444
Integrated Information Technology Corporation		Illinois		37-1278528
Newport News Energy Company		Virginia		26-3545840
Newport News Industrial Corporation		Virginia		54-0793624
Newport News Nuclear Inc.		Virginia		11-3813378
Pegasus International, Inc.		Texas		76-0609200
Stoller Newport News Nuclear, Inc.		Delaware		13-2635898
Undersea Solutions Corporation		Delaware		47-1812325
Universal Ensco, Inc.		Texas		76-0013164
UniversalPegasus International Holdings, Inc.		Delaware		46-1032616
UniversalPegasus International, Inc.		Delaware		26-1809795
UP International, Inc.		Delaware		26-3435933
UP Support Services, Inc.		Delaware		26-1809856
Veritas Analytics, Inc.		Virginia		54-1932458

c/o Huntingon Ingalls Industries, Inc. 4101 Washington Avenue Newport News, Virginia	23607
(Address of principal executive offices)	(Zip code)

3.483% Senior Notes due 2027

and Guarantees of 3.483% Senior Notes due 2027

(Title of the indenture securities)

Item 1. General Information. Furnish the following information as to the trustee:

(a) Name and address of each examining or supervising authority to which it is subject.

Comptroller of the Currency

Treasury Department

Washington, D.C.

Federal Deposit Insurance Corporation

Washington, D.C.

Federal Reserve Bank of San Francisco

San Francisco, California 94120

(b) Whether it is authorized to exercise corporate trust powers.

The trustee is authorized to exercise corporate trust powers.

Item 2. Affiliations with Obligor. If the obligor is an affiliate of the trustee, describe each such affiliation.

None with respect to the trustee.

No responses are included for Items 3-14 of this Form T-1 because the obligor is not in default as provided under Item 13.

Item 15. Foreign Trustee. Not applicable.

Item 16. List of Exhibits. List below all exhibits filed as a part of this Statement of Eligibility.

Exhibit 1.	A copy of the Articles of Association of the trustee now in effect.*
Exhibit 2.	A copy of the Comptroller of the Currency Certificate of Corporate Existence for Wells Fargo Bank, National Association, dated January 14, 2015.*
Exhibit 3.	A copy of the Comptroller of the Currency Certification of Fiduciary Powers for Wells Fargo Bank, National Association, dated January 6, 2014.*
Exhibit 4.	Copy of By-laws of the trustee as now in effect.*
Exhibit 5.	Not applicable.
Exhibit 6.	The consent of the trustee required by Section 321(b) of the Act.
Exhibit 7.	A copy of the latest report of condition of the trustee published pursuant to law or the requirements of its supervising or examining authority.
Exhibit 8.	Not applicable.
Exhibit 9.	Not applicable.

* Incorporated by reference to the exhibit of the same number to the trustee’s Form T-1 filed as a 305B2 Application filed March 13, 2015 under file number 333-190926.

SIGNATURE

Pursuant to the requirements of the Trust Indenture Act of 1939, as amended, the trustee, Wells Fargo Bank, National Association, a national banking association organized and existing under the laws of the United States of America, has duly caused this statement of eligibility to be signed on its behalf by the undersigned, thereunto duly authorized, all in the City of New York and State of New York on the 30th day of April, 2018.

WELLS FARGO BANK, NATIONAL ASSOCIATION

/s/ Alexander Pabon

Alexander Pabon

Assistant Vice President

EXHIBIT 6

April 30, 2018

Securities and Exchange Commission

Washington, D.C. 20549

Gentlemen:

In accordance with Section 321(b) of the Trust Indenture Act of 1939, as amended, the undersigned hereby consents that reports of examination of the undersigned made by Federal, State, Territorial, or District authorities authorized to make such examination may be furnished by such authorities to the Securities and Exchange Commission upon its request therefor.

Very truly yours,

WELLS FARGO BANK, NATIONAL ASSOCIATION

/s/ Alexander Pabon

Alexander Pabon

Assistant Vice President

EXHIBIT 7

Consolidated Report of Condition of

Wells Fargo Bank National Association

of 101 North Phillips Avenue, Sioux Falls, SD 57104

And Foreign and Domestic Subsidiaries,

at the close of business December 31, 2017, filed in accordance with 12 U.S.C. §161 for National Banks.

		Dollar Amounts
		In Millions
ASSETS
Cash and balances due from depository institutions:
Noninterest-bearing balances and currency and coin		$	22450
Interest-bearing balances			192185
Securities:
Held-to-maturity securities			139228
Available-for-sale securities			260098
Federal funds sold and securities purchased under agreements to resell:
Federal funds sold in domestic offices			120
Securities purchased under agreements to resell			31006
Loans and lease financing receivables:
Loans and leases held for sale			12005
Loans and leases, net of unearned income	929016
LESS: Allowance for loan and lease losses	10104
Loans and leases, net of unearned income and allowance			918912
Trading Assets			51667
Premises and fixed assets (including capitalized leases)			8116
Other real estate owned			641
Investments in unconsolidated subsidiaries and associated companies			12014
Direct and indirect investments in real estate ventures			72
Intangible assets
Goodwill			22480
Other intangible assets			16807
Other assets			59553
Total assets		$	1,747,354
LIABILITIES
Deposits:
In domestic offices		$	1259735
Noninterest-bearing	423833
Interest-bearing	835902
In foreign offices, Edge and Agreement subsidiaries, and IBFs			129264
Noninterest-bearing	962
Interest-bearing	128302
Federal funds purchased and securities sold under agreements to repurchase:
Federal funds purchased in domestic offices			10906
Securities sold under agreements to repurchase			7180

	Dollar Amounts
	In Millions
Trading liabilities		10537
Other borrowed money (includes mortgage indebtedness and obligations under capitalized leases)		118326
Subordinated notes and debentures		11950
Other liabilities		32898
Total liabilities	$	1580796
EQUITY CAPITAL
Perpetual preferred stock and related surplus		0
Common stock		519
Surplus (exclude all surplus related to preferred stock)		112497
Retained earnings		53612
Accumulated other comprehensive income		-468
Other equity capital components		0
Total bank equity capital		166160
Noncontrolling (minority) interests in consolidated subsidiaries		398
Total equity capital		166558
Total liabilities, and equity capital	$	1747354

I, John R. Shrewsberry, Sr. EVP & CFO of the above-named bank do hereby declare that this Report of Condition has been prepared

in conformance with the instructions issued by the appropriate Federal regulatory authority and is true to the best of my knowledge

and belief.

John R. Shrewsberry

Sr. EVP & CFO    

We, the undersigned directors, attest to the correctness of this Report of Condition and declare that it has been examined by us

and to the best of our knowledge and belief has been prepared in conformance with the instructions issued by the appropriate

Federal regulatory authority and is true and correct.

Directors

Enrique Hernandez, Jr

Federico F. Pena

James Quigley