Two members of the Defence Forces have been found guilty of bullying and others are under investigation for alleged similar offences at McKee Barracks, Dublin.
The allegations surfaced last December, and a military police investigation began.
A Defence Forces spokesman yesterday confirmed that two were charged and a disciplinary procedure had taken place under court martial. Others were being investigated to see if they would be referred for court martial.
Yesterday Pdforra, the Defence Forces representative association, said the investigation showed that individuals were still reluctant to make complaints.
Pdforra general secretary Gerry Rooney said the Challenge of a Workplace report identified that many individuals were reluctant to report alleged incidents of bullying.
"This means that individuals still don't have confidence in the system which is meant to protect them from bullying," he said.
The investigation had led to people being disciplined. This showed how seriously such allegations were viewed by the higher military authorities, but the underlying issue at barrack level still caused concern.
"The cultural change required at barrack level to deal with the bullying issue has not yet happened," Mr Rooney said.
"This must be addressed so that the training environment for young people continues to be challenging but does not involve activities and attitudes which can only be described as bullying."
Mr Rooney said the complaints under investigation were made by third parties and not the victims.
A spokesman for the Defence Forces said an investigation into the allegations of bullying was ongoing.
Two were charged and a disciplinary procedure had taken place under court martial. One individual was reprimanded and the other was fined, he said.
"Others have been referred to a higher authority to see if there is enough evidence to refer them for a court martial," hee said.
The disciplinary procedures took place at barrack level, the spokesman said. The Defence Forces had put in place procedures to make it easier for people to come forward. There were 200 trained anti-bullying marshals, and complaints were dealt with in confidence.
Last December it was reported that the investigation was opened after allegations were made that during an inspection of sleeping quarters at McKee Barracks a soldier was locked into a locker and ordered to eat food off a floor after it was discovered under his bed.
Superiors involved in the alleged incidents denied that any bullying took place and contested the complainant's version of events.