Captain Leonard Trilseán of the Tribe of Sligo was the commanding officer of the 14th Company, 18th Maor-Regiment, the Armoured Company of the 18th Maor-Regiment. In that function, he participated in Operation Spartacus under the callsign Faolchú-Ceann/Wolf-Leader.
After the complete loss of C-Platoon, a board of inquiry was formed, resulting in changes in the usage doctrine of the Creachadóir Heavy Armoured Reconnaissance Vehicles and a personal inquiry, with the option of charges against Trilseán for murder by negligence in fifteen cases.
In early 2019, he was acquitted and returned to his command, soon being transferred to the SDF-Army Sapper Corps, commanding a sapper company from winter 2019 onwards.
He, in his new post, provided ais to areas affected by the 2018-2019 Winter in the Free Lands.
Trilseán was given leave in early 2019 for a personal quest of redemption and absolution, during which he attended the 2019 Cuan Spring Festival. There, he was tasked by the Envoy of Lodan Lir, Mona Beag of the Tribe of Louth, to
He takes little issue with his shortness.