Sentence:  These increased costs are partially offset by a decrease of $ 56 <WSD>million</WSD> in expenditures for the reserve forces , largely because of the planned reduction in strength of the Army Reserve components during 1961 . 
Meaning of the word marked with <WSD> tags:  (in Roman numerals, M written with a macron over it) denoting a quantity consisting of 1,000,000 items or units