Sentence:  In total , these increases in <WSD>operating</WSD> costs outweigh the savings that result from declining programs and from economy measures , such as reduced numbers of units and installations , smaller inventories of major equipment , and improvements in the supply and distribution systems of the Armed Forces . 
Meaning of the word marked with <WSD> tags:  the expense of maintaining property (e.g., paying property taxes and utilities and insurance); it does not include depreciation or the cost of financing or income taxes