ESTHER comprises a "C4I – M&S Gateway". Its provides a means of stimulating the SIR using information taken from the simulation. ESTHER provides a Command Agent capability which makes it possible to reduce the number of operators needed to run the JANUS simulation.
ESTHER-Gate, a software component, is able to optimise communication traffic between sites.
ESTHER has been featured in numerous trials carried out as part of exercises organised by the French Army Training Command involving operational personnel (2003 and 2004 : Infantry School EAI, Armoured Cavalry School EAABC).