The National security personnel are in Yei to protect civilians and guarantee free movement of residents, says the operation commander.
Lieutenant Colonel Simon Aboja assured citizens that the security organs are meant to bring peace in Yei, Radio Easter reported.
He called on citizens to report any inconvenience caused by his soldiers for immediate intervention.
Catholic Bishop of Yei Erkolano Lodu Tombe urged the operations commander to put security of the civilians ahead of peace in the state.
Residents and church leaders say calm has returned to Yei for the last two weeks following months of rampant gunshots.
Last week, the operations commander met church representatives, government officials, youths and women to assure them of his peace mission in Yei town.