10 U.S.C. § 911 : US Code - Section 911: Art. 111. Drunken or reckless operation of a vehicle, aircraft, or vessel

      (a) Any person subject to this chapter who - 
        (1) operates or physically controls any vehicle, aircraft, or
      vessel in a reckless or wanton manner or while impaired by a
      substance described in section 912a(b) of this title (article
      112a(b)), or
        (2) operates or is in actual physical control of any vehicle,
      aircraft, or vessel while drunk or when the alcohol concentration
      in the person's blood or breath is equal to or exceeds the
      applicable limit under subsection (b),

    shall be punished as a court-martial may direct.
      (b)(1) For purposes of subsection (a), the applicable limit on
    the alcohol concentration in a person's blood or breath is as
    follows:
        (A) In the case of the operation or control of a vehicle,
      aircraft, or vessel in the United States, such limit is the
      lesser of - 
          (i) the blood alcohol content limit under the law of the
        State in which the conduct occurred, except as may be provided
        under paragraph (2) for conduct on a military installation that
        is in more than one State; or
          (ii) the blood alcohol content limit specified in paragraph
        (3).

        (B) In the case of the operation or control of a vehicle,
      aircraft, or vessel outside the United States, the applicable
      blood alcohol content limit is the blood alcohol content limit
      specified in paragraph (3) or such lower limit as the Secretary
      of Defense may by regulation prescribe.

      (2) In the case of a military installation that is in more than
    one State, if those States have different blood alcohol content
    limits under their respective State laws, the Secretary may select
    one such blood alcohol content limit to apply uniformly on that
    installation.
      (3) For purposes of paragraph (1), the blood alcohol content
    limit with respect to alcohol concentration in a person's blood is
    0.10 grams of alcohol per 100 milliliters of blood and with respect
    to alcohol concentration in a person's breath is 0.10 grams of
    alcohol per 210 liters of breath, as shown by chemical analysis.
      (4) In this subsection:
        (A) The term "blood alcohol content limit" means the amount of
      alcohol concentration in a person's blood or breath at which
      operation or control of a vehicle, aircraft, or vessel is
      prohibited.
        (B) The term "United States" includes the District of Columbia,
      the Commonwealth of Puerto Rico, the Virgin Islands, Guam, and
      American Samoa and the term "State" includes each of those
      jurisdictions.