§2D1.1. Unlawful Manufacturing, Importing, Exporting, or Trafficking (Including Possession with Intent to Commit These Offenses); Attempt or Conspiracy
(a) Base Offense Level (Apply the greatest):
(1) 43, if the defendant is convicted under 21 U.S.C. § 841(b)(1)(A), (b)(1)(B), or (b)(1)(C), or 21 U.S.C. § 960(b)(1), (b)(2), or (b)(3), and the offense of conviction establishes that death or serious bodily injury resulted from the use of the substance and that the defendant committed the offense after one or more prior convictions for a similar offense; or
(2) 38, if the defendant is convicted under 21 U.S.C. § 841(b)(1)(A), (b)(1)(B), or (b)(1)(C), or 21 U.S.C. § 960(b)(1), (b)(2), or (b)(3), and the offense of conviction establishes that death or serious bodily injury resulted from the use of the substance; or
(3) the offense level specified in the Drug Quantity Table set forth in subsection (c), except that if (A) the defendant receives an adjustment under §3B1.2 (Mitigating Role); and (B) the base offense level under subsection (c) is (i) level 32, decrease by 2 levels; (ii) level 34 or level 36, decrease by 3 levels; or (iii) level 38, decrease by 4 levels.
(b) Specific Offense Characteristics
(1) If a dangerous weapon (including a firearm) was possessed, increase by
(2) If the defendant unlawfully imported or exported a controlled substance under circumstances in which (A) an aircraft other than a regularly scheduled commercial air carrier was used to import or export the controlled substance, or (B) the defendant acted as a pilot, copilot, captain, navigator, flight officer, or any other operation officer aboard any craft or vessel carrying a controlled substance, increase by 2 levels. If the resulting offense level is less than level 26, increase to level 26.
(3) If the object of the offense was the distribution of a controlled substance in a prison, correctional facility, or detention facility, increase by 2 levels.
(4) If (A) the offense involved the importation of amphetamine or methamphetamine or the manufacture of amphetamine or methamphetamine from listed chemicals that the defendant knew were