What does IOT & E stand for?

Independent Operational Test and Evaluation - Military

Initial Operating Test and Evaluation (MCD)

Initial Operational Test and Evaluation - Army (DOMA)

Initial Operational Test and Evaluation - Military technology (DDF)

Initial Operation Test and Evaluation (SAUS)

Initital Operating Test and Evaluation (SAUS)

Installation Operational Test and Evaluation (SAUO)