Hundreds of people have gathered in Ballinamore today to pay a special tribute to the two men killed during the Don Tidey kidnap.
Private Patrick Kelly and Garda Recruit Gary Sheehan were shot dead by the IRA, this day 41 years ago in Drumcornan Wood.
It was during the rescue of the Quinnsworth managing director.
A memorial Mass took place in St Patrick's Church this morning, and Garda Commissioner Drew Harris is set to unveil a monument, in Kelly and Sheehan's honour.
Chief Superintendent Aidan Glacken paid tribute to them at the Mass.
Sheehan was 23 years old, from Carrickmacross, Co Monaghan, and 36-year-old Kelly was a married father of four from Moate, Co Westmeath.
Chief superintendent Glacken spoke movingly about them.
The Mass was attended by many army and Garda personnel, along with local politicians and Garda Commissioner Drew Harris.
Fr Paschal Hanrahan is the head chaplain of the Defence Forces - he also spoke at the Mass.