units
(2) (A) If in any calendar month a member performs duty as described in paragraph (1) and while entitled to basic pay also performs hazardous duty as described in the same paragraph of subsection (a) as constitutes the predicate for his entitlement under paragraph (1), the earned units of measuring entitlement for incentive pay under this section shall be combined. If the sum of units determined under the preceding sentence equals or exceeds the minimum standard prescribed by the President for entitlement to pay specified under subsections (b) and (c) for a member of corresponding grade who is entitled to basic pay for the entire relevant month, the member shall be entitled to an increase in compensation equal to 1/30 of the monthly incentive pay authorized by subsection (b) or (c) for the performance of that hazardous duty by a member of corresponding grade who is entitled to basic pay for the entire month. (B) A member who qualifies for entitlement under this paragraph is entitled to the increase for each day in the relevant month in which he is entitled to basic pay pursuant to section 204 of this title or to compensation under section 206 of this title . (C) In this paragraph, the term “units” means the significant increments of performance prescribed as qualifying standards in regulations promulgated by the President pursuant to this section.