A new directive was approved in February, but agreed time-off and providing family reunion flights is still to be introduced.
Defence Forces representatives say the understaffing of its units is worse than ever.
The Representative Association of Commissioned Officers is calling on the Tánaiste and Defence Minister Micheál Martin to deliver the Working Time Directive, in a bid to resolve retention issues.
The directive was approved in February, but agreed time-off and the provision of family reunion flights for troops overseas have yet to be introduced.
Athlone's Lieutenant Colonel Conor King, RACO General Secretary, says capital increases in the budget need to help recruitment efforts:
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