March 3 (Reuters) - Electro Optic Systems Holdings Ltd EOS.AX
* EOS defence systems sector receives order
* Received order from Orbital Atk (USA)
* Through its defence systems sector has received a firm order for US$7mln
* Order is to support purchase of long lead-time parts for a significant program requirement Source text for Eikon: ID:nASX1PFQqJ Further company coverage: EOS.AX