opinion: Mr. Justice Clark
  delivered the opinion of the Court.
  We are to determine whether the California community property law, as applied in this case, conflicts with certain provisions of the National Service Life Insurance Act of 1940; and if so, whether the federal law is consistent with the Fifth Amendment to the Constitution of the United States. The cause is here on appeal from the final judgment of a California District Court of Appeal, the Supreme Court of California having denied a hearing. Reading the opinion below as a decision that the federal statute was unconstitutional, we noted probable jurisdiction. 28 U. S. C. § 1257 (1).
  The material facts are not in dispute. Appellants are the parents, and appellee the widow, of Major Leonard O. Wissner, who died in India in 1945 in the service of the United States Army. He had enlisted in the Army in November 1942 and in January 1943 subscribed to a National Service Life Insurance policy in the principal sum of $10,000, which policy was in effect at the date of his death. The opinion below indicates that the decedent and appellee were estranged at the time he entered the Army or shortly thereafter. In January 1943 he requested his attorney to “get an insurance policy away” from appellee. After six months in the service decedent stopped the allotment to his wife, and in September 1943 expressed the wish that he “could find some way of forcing plaintiff to a settlement and a divorce.” It is not surprising, therefore, that, without the knowledge or consent of his wife, the Major named his mother principal and his father contingent beneficiary under his National Service Life Insurance policy. Since his death the United States Veterans’ Administration has been paying his mother the proceeds of the policy in monthly installments.
  In 1947 the Major’s widow brought action against the appellants in the Superior Court for Stanislaus County, State of California, alleging that under California community property law she was entitled to one-hálf the proceeds of the policy. Appellants answered that their designation as beneficiaries was “final and conclusive as against any claimed rights” of appellee. The court found that the decedent and his widow had been married in 1930, and until the date of Major Wissner’s death had been legally domiciled there and subject to the state’s community property laws. Major Wissner’s army pay, which was held to be community property under California law, was the source of the premiums paid on the policy. But no claim was made for the premiums; the widow sought the proceeds of the insurance. The court concluded that, consistent with California law in the ordinary insurance case, the proceeds of this policy “were and are the community property” of the widow and the decedent, and entered judgment for appellee for one-half the amount of payments already received, plus interest, and required appellants to pay appellee one-half of all future payments “immediately upon the receipt thereof” by appellees or either thereof. The District Court of Appeal affirmed, 89 Cal. App. 2d 759, 201 P. 2d 837 (1949), holding that appellee had a “vested right” to the insurance proceeds, and the Supreme Court of California denied a hearing, one judge dissenting.
  We are of the opinion that the decision below was incorrect. The National Service Life Insurance Act is the congressional mode of affording a uniform and comprehensive system of life insurance for members and veterans of the armed forces of the United States. A liberal policy toward the serviceman and his named beneficiary is everywhere evident in the comprehensive statutory plan. Premiums are very low and are waived during the insured’s disability; costs of administration are borne by the United States; liabilities may be discharged out of congressional appropriations.
  The controlling section of the Act provides that the insured “shall have the right to designate the beneficiary or beneficiaries of the insurance [within a designated class], . . . and shall ... at all times have the right to change the beneficiary or beneficiaries . . . .” 38 U. S. C. § 802 (g). Thus Congress has spoken with force and clarity in directing that the proceeds belong to the named beneficiary and no other. Pursuant to the congressional command, the Government contracted to pay the insurance to the insured’s choice. He chose his mother. It is plain to us that the judgment of the lower court, as to one-half of the proceeds, substitutes the widow for the mother, who was the beneficiary Congress directed shall receive the insurance money. We do not share appellee’s discovery of congressional purpose that widows in community property states participate in the payments under the policy, contrary to the express direction of the insured. Whether directed at the very money received from the Government or an equivalent amount, the judgment below nullifies the soldier’s choice and frustrates the deliberate purpose of Congress. It cannot stand.
  The judgment under review has a further deficiency so far as it ordered the diversion of future payments as soon as they are paid by the Government to the mother. At least in this respect, the very payments received under the policy are to be “seized,” in effect, by the judgment below. This is in flat conflict with the exemption provision contained in 38 U. S. C. § 454a, made a part of this Act by 38 U. S. C. § 816: Payments to the named beneficiary “shall be exempt from the claims of creditors, and shall not be liable to attachment, levy, or seizure by or under any legal or equitable process whatever, either before or after receipt by the beneficiary. . . .”
  We recognize that some courts have ruled that this and similar exemptions relating to pensions and veterans’ relief do not apply when alimony or the support of wife or children is in issue. See Schlaefer v. Schlaefer, 71 App. D. C. 350, 112 F. 2d 177 (1940); Tully v. Tully, 159 Mass. 91, 34 N. E. 79 (1893); Hodson v. New York City Employees’ Retirement System, 243 App. Div. 480, 278 N. Y. Supp. 16 (1935); In re Guardianship of Bagnall, 238 Iowa 905, 29 N. W. 2d 597 (1947), and cases therein cited. But cf. Brewer v. Brewer, 19 Tenn. App. 209, 239-241, 84 S. W. 2d 1022, 1040 (1933). We shall not attempt to epitomize a legal system at least as ancient as the customs of the Visigoths, but we must note that the community property principle rests upon something more than the moral obligation of supporting spouse and children : the business relationship of man and wife for their mutual monetary profit. See de Funiak, Community Property, § 11 (1943). Venerable and worthy as this community is, it is not, we think, as likely to justify an exception to the congressional language as specific judicial recognition of particular needs, in the alimony and support cases. Our view of those cases, whatever it may be, is irrelevant here. Further, Congress has provided in the National Service Life Insurance Act that the chosen beneficiary of the life insurance policy shall be, during life, the sole owner of the proceeds.
  The constitutionality of the congressional mandate above expounded need not detain us long. Certainly Congress in its desire to afford as much material protection as possible to its fighting force could wisely provide a plan of insurance coverage. Possession of government insurance, payable to the relative of his choice, might well directly enhance the morale of the serviceman. The exemption provision is his guarantee of the complete and full performance of the contract to the exclusion of conflicting claims. The end is a legitimate one within the congressional powers over national defense, and the means are adapted to the chosen end. The Act is valid. McCulloch v. Maryland, 4 Wheat. 316, 421 (1819). And since the statute which made the insurance proceeds possible was explicit in announcing that the insured shall have the right to designate the recipient of the insurance, and that “No person shall have a vested right” to those proceeds, 38 U. S. C. § 802 (i), appellee could not, in law, contemplate their capture. The federal statute establishes the fund in issue, and forestalls the existence of any “vested” right in the proceeds of federal insurance. Hence no constitutional question is presented. However “vested” her right to the proceeds of nongovernmental insurance under California law, that rule cannot apply to this insurance. Compare W. B. Worthen Co. v. Thomas, 292 U. S. 426 (1934); Lynch v. United States, 292 U. S. 571 (1934). See Hines v. Lowrey, 305 U. S. 85 (1938); Norman v. Baltimore & Ohio R. Co., 294 U. S. 240 (1935); Ruddy v. Rossi, 248 U. S. 104 (1918).
  The judgment below is
  Reversed.
  Mr. Justice Douglas took no part in the consideration or decision of this case.
  54 Stat. 1008, as amended, 38 U. S. C. § 801 et seq. Amendments added in 1946, 60 Stat. 781, do not concern us here.
  We assume the correctness of the lower court’s statement of state law. See also French v. French, 17 Cal. 2d 775, 112 P. 2d 235 (1941). The view we take of this case makes it unnecessary to decide whether California is entitled to call army pay community property.
  See Lobingier, An Historical Introduction to Community Property Law, 8 Nat. Univ. L. Rev. (No. 2), p. 45 (1928); de Funiak, Community Property, c. II (1943).
  There are, of course, support aspects to the community property principle, and in some cases they may be of considerable importance. Likewise alimony may not be limited to the amount essential to support the divorced spouse. But we do not think the Congress would have intended decision to turn on factual variations in the spouse’s need. If there is a distinction to be drawn, we think it must be based upon a generalization as to the dominating characteristics of a particular class of cases — alimony cases, support cases, community property cases. The alimony cases have uniformly been decided on that basis.
choices: attorney general of the United States, or his office specified state board or department of education city, town, township, village, or borough government or governmental unit state commission, board, committee, or authority county government or county governmental unit, except school district court or judicial district state department or agency governmental employee or job applicant female governmental employee or job applicant minority governmental employee or job applicant minority female governmental employee or job applicant not listed among agencies in the first Administrative Action variable retired or former governmental employee U.S. House of Representatives interstate compact judge state legislature, house, or committee local governmental unit other than a county, city, town, township, village, or borough governmental official, or an official of an agency established under an interstate compact state or U.S. supreme court local school district or board of education U.S. Senate U.S. senator foreign nation or instrumentality state or local governmental taxpayer, or executor of the estate of state college or university United States State person accused, indicted, or suspected of crime advertising business or agency agent, fiduciary, trustee, or executor airplane manufacturer, or manufacturer of parts of airplanes airline distributor, importer, or exporter of alcoholic beverages alien, person subject to a denaturalization proceeding, or one whose citizenship is revoked American Medical Association National Railroad Passenger Corp. amusement establishment, or recreational facility arrested person, or pretrial detainee attorney, or person acting as such;includes bar applicant or law student, or law firm or bar association author, copyright holder bank, savings and loan, credit union, investment company bankrupt person or business, or business in reorganization establishment serving liquor by the glass, or package liquor store water transportation, stevedore bookstore, newsstand, printer, bindery, purveyor or distributor of books or magazines brewery, distillery broker, stock exchange, investment or securities firm construction industry bus or motorized passenger transportation vehicle business, corporation buyer, purchaser cable TV car dealer person convicted of crime tangible property, other than real estate, including contraband chemical company child, children, including adopted or illegitimate religious organization, institution, or person private club or facility coal company or coal mine operator computer business or manufacturer, hardware or software consumer, consumer organization creditor, including institution appearing as such; e.g., a finance company person allegedly criminally insane or mentally incompetent to stand trial defendant debtor real estate developer disabled person or disability benefit claimant distributor person subject to selective service, including conscientious objector drug manufacturer druggist, pharmacist, pharmacy employee, or job applicant, including beneficiaries of employer-employee trust agreement, employee health and welfare fund, or multi-employer pension plan electric equipment manufacturer electric or hydroelectric power utility, power cooperative, or gas and electric company eleemosynary institution or person environmental organization employer. If employer's relations with employees are governed by the nature of the employer's business (e.g., railroad, boat), rather than labor law generally, the more specific designation is used in place of Employer. farmer, farm worker, or farm organization father female employee or job applicant female movie, play, pictorial representation, theatrical production, actor, or exhibitor or distributor of fisherman or fishing company food, meat packing, or processing company, stockyard foreign (non-American) nongovernmental entity franchiser franchisee lesbian, gay, bisexual, transexual person or organization person who guarantees another's obligations handicapped individual, or organization of devoted to health organization or person, nursing home, medical clinic or laboratory, chiropractor heir, or beneficiary, or person so claiming to be hospital, medical center husband, or ex-husband involuntarily committed mental patient Indian, including Indian tribe or nation insurance company, or surety inventor, patent assigner, trademark owner or holder investor injured person or legal entity, nonphysically and non-employment related juvenile government contractor holder of a license or permit, or applicant therefor magazine male medical or Medicaid claimant medical supply or manufacturing co. racial or ethnic minority employee or job applicant minority female employee or job applicant manufacturer management, executive officer, or director, of business entity military personnel, or dependent of, including reservist mining company or miner, excluding coal, oil, or pipeline company mother auto manufacturer newspaper, newsletter, journal of opinion, news service radio and television network, except cable tv nonprofit organization or business nonresident nuclear power plant or facility owner, landlord, or claimant to ownership, fee interest, or possession of land as well as chattels shareholders to whom a tender offer is made tender offer oil company, or natural gas producer elderly person, or organization dedicated to the elderly out of state noncriminal defendant political action committee parent or parents parking lot or service patient of a health professional telephone, telecommunications, or telegraph company physician, MD or DO, dentist, or medical society public interest organization physically injured person, including wrongful death, who is not an employee pipe line company package, luggage, container political candidate, activist, committee, party, party member, organization, or elected official indigent, needy, welfare recipient indigent defendant private person prisoner, inmate of penal institution professional organization, business, or person probationer, or parolee protester, demonstrator, picketer or pamphleteer (non-employment related), or non-indigent loiterer public utility publisher, publishing company radio station racial or ethnic minority person or organization protesting racial or ethnic segregation or discrimination racial or ethnic minority student or applicant for admission to an educational institution realtor journalist, columnist, member of the news media resident restaurant, food vendor retarded person, or mental incompetent retired or former employee railroad private school, college, or university seller or vendor shipper, including importer and exporter shopping center, mall spouse, or former spouse stockholder, shareholder, or bondholder retail business or outlet student, or applicant for admission to an educational institution taxpayer or executor of taxpayer's estate, federal only tenant or lessee theater, studio forest products, lumber, or logging company person traveling or wishing to travel abroad, or overseas travel agent trucking company, or motor carrier television station union member unemployed person or unemployment compensation applicant or claimant union, labor organization, or official of veteran voter, prospective voter, elector, or a nonelective official seeking reapportionment or redistricting of legislative districts (POL) wholesale trade wife, or ex-wife witness, or person under subpoena network slave slave-owner bank of the united states timber company u.s. job applicants or employees Army and Air Force Exchange Service Atomic Energy Commission Secretary or administrative unit or personnel of the U.S. Air Force Department or Secretary of Agriculture Alien Property Custodian Secretary or administrative unit or personnel of the U.S. Army Board of Immigration Appeals Bureau of Indian Affairs Bonneville Power Administration Benefits Review Board Civil Aeronautics Board Bureau of the Census Central Intelligence Agency Commodity Futures Trading Commission Department or Secretary of Commerce Comptroller of Currency Consumer Product Safety Commission Civil Rights Commission Civil Service Commission, U.S. Customs Service or Commissioner of Customs Defense Base Closure and REalignment Commission Drug Enforcement Agency Department or Secretary of Defense (and Department or Secretary of War) Department or Secretary of Energy Department or Secretary of the Interior Department of Justice or Attorney General Department or Secretary of State Department or Secretary of Transportation Department or Secretary of Education U.S. Employees' Compensation Commission, or Commissioner Equal Employment Opportunity Commission Environmental Protection Agency or Administrator Federal Aviation Agency or Administration Federal Bureau of Investigation or Director Federal Bureau of Prisons Farm Credit Administration Federal Communications Commission (including a predecessor, Federal Radio Commission) Federal Credit Union Administration Food and Drug Administration Federal Deposit Insurance Corporation Federal Energy Administration Federal Election Commission Federal Energy Regulatory Commission Federal Housing Administration Federal Home Loan Bank Board Federal Labor Relations Authority Federal Maritime Board Federal Maritime Commission Farmers Home Administration Federal Parole Board Federal Power Commission Federal Railroad Administration Federal Reserve Board of Governors Federal Reserve System Federal Savings and Loan Insurance Corporation Federal Trade Commission Federal Works Administration, or Administrator General Accounting Office Comptroller General General Services Administration Department or Secretary of Health, Education and Welfare Department or Secretary of Health and Human Services Department or Secretary of Housing and Urban Development Interstate Commerce Commission Indian Claims Commission Immigration and Naturalization Service, or Director of, or District Director of, or Immigration and Naturalization Enforcement Internal Revenue Service, Collector, Commissioner, or District Director of Information Security Oversight Office Department or Secretary of Labor Loyalty Review Board Legal Services Corporation Merit Systems Protection Board Multistate Tax Commission National Aeronautics and Space Administration Secretary or administrative unit of the U.S. Navy National Credit Union Administration National Endowment for the Arts National Enforcement Commission National Highway Traffic Safety Administration National Labor Relations Board, or regional office or officer National Mediation Board National Railroad Adjustment Board Nuclear Regulatory Commission National Security Agency Office of Economic Opportunity Office of Management and Budget Office of Price Administration, or Price Administrator Office of Personnel Management Occupational Safety and Health Administration Occupational Safety and Health Review Commission Office of Workers' Compensation Programs Patent Office, or Commissioner of, or Board of Appeals of Pay Board (established under the Economic Stabilization Act of 1970) Pension Benefit Guaranty Corporation U.S. Public Health Service Postal Rate Commission Provider Reimbursement Review Board Renegotiation Board Railroad Adjustment Board Railroad Retirement Board Subversive Activities Control Board Small Business Administration Securities and Exchange Commission Social Security Administration or Commissioner Selective Service System Department or Secretary of the Treasury Tennessee Valley Authority United States Forest Service United States Parole Commission Postal Service and Post Office, or Postmaster General, or Postmaster United States Sentencing Commission Veterans' Administration War Production Board Wage Stabilization Board General Land Office of Commissioners Transportation Security Administration Surface Transportation Board U.S. Shipping Board Emergency Fleet Corp. Reconstruction Finance Corp. Department or Secretary of Homeland Security Unidentifiable International Entity