What does Dems stand for?

Democrats (SAUO)

Defense and Electronics Management System (TIMI)

Defensively-Equipped Merchant Ship

Denomination System (SAUS)

Development Engineering Management System - Air Force

Differential Electrochemistry/Mass Spectrometry

Digital Electronic Message Service (CIST)

Digital Electronic Message Systems

Digital Error Monitoring Subsystem (SAUS)

Digital Error Monitoring System (MCD)

Diver Equivalent Manipulator System - General Electric

Dormant Equipping of Merchant Ships - Organization (MCD)

Dynamic Effectiveness Model Study (SAUS)

Dynamics Environment Measurement System (SAUS)