Technical performance measure
Technical performance measures is a term used by the US military to refer to key technical goals that needed to be met, where the technical goals were vital for the functioning of a system in its environment.
Definitions
TPM is defined as "the continuing prediction and demonstration of the degree of anticipated or actual achievement of selected technical objectives."A definition given by Dr. Norman Waks, formerly Director of Defense Research and Engineering in the Office of the Secretary of Defense is as follows: