DA Form 5605-1-R or the "Life Cycle Cost Analysis Savings-to-investment Ratio (sir) & Discounted Payback Calculation" is a Department of the Army-issued form used by and within the United States Military.
The form - often incorrectly referred to as the DD form 5605-1-R - was last revised on December 1, 1986. Download an up-to-date DA Form 5605-1-R down below in PDF-format or look it up on the Army Publishing Directorate website.
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