Forty-one Comet Mk I Model Bs were also used by Finnish Defence Forces armoured brigade until 1970. The tanks were stored until 2007, when four of them were auctioned. Four Comets were delivered to the Irish Army in 1959 and a further four in 1960. Severe budget cutbacks affected the service lives of the Comets, as not enough spares were purchased. The Comet appealed to the Irish Army as it was cheap to buy and run, had low ground pressure and good anti-tank capability. However, faulty fuzes meant the withdrawal of the HE ammunition, which limited the tank's role to an anti-tank vehicle. With stocks of 77 mm ammunition dwindling in 1969, the army began an experiment to prolong the life of the vehicle. It involved replacing the turret with an open mounting with the Bofors 90 mm Pv-1110 recoilless rifle. The project was cancelled due to lack of funds. The last 77 mm Comet shoot was in 1973 with the tanks being withdrawn soon afterwards. One is preserved in the Irish Curragh Camp and two more survive in other barracks.