Colonel Warne joined 2 Field Engineer Regiment as a Sapper 20 May 1970. In addition to serving with his regiment, he attended jungle warfare training in Jamaica with the Canadian Airborne Regiment, served with 4 Field Engineer Squadron in Germany and 1 Field Engineer Squadron in Alert, Northwest Territories.

In 1974, he deployed on the first rotation of the United Nations Emergency Force, Middle East. Upon return to Canada in 1975 he was promoted to Sergeant and transferred to 6th Field Engineer Squadron, North Vancouver. He served in several capacities until 1978 when he moved to northern British Columbia and transferred to the supplemental reserve.

1n 1990, Colonel Warne joined 44th Field Engineer Squadron, Trail British Columbia as a Lieutenant. After serving in all major appointments in the squadron, he assumed command in September 1997. During his term of command, 44th Field Engineer Squadron completed an exchange with 75 Engineer Regiment, Royal Engineers in England and acted as host unit for Exercise Kootenay Castle, a Multi-National Exercise held in the West Kootenay region of British Columbia. In October 2002 he was awarded the US Army Corps of Engineers Order of de Fluery.

In October 2002, Colonel Warne relinquished command of 44th Field Engineer Squadron and transferred to the directing staff of the Militia Command and Staff Course. In April 2003, he assumed the duties of Chief Instructor, Reserve Professional Development Cell in Land Forces Western Area.

Colonel Warne was appointed Deputy Commander and then Commander of 39 Canadian Brigade Group. Following his tour as Commander 39 CBG he transferred to LFWA HQ as Assistant Chief of Staff Training in January 2007.

Colonel Warne is a graduate of the Militia Command and Staff Course, Joint Reserve Command and Staff Course and National Security Studies Seminar.

Colonel Warne is married to Elaine and has two children and three grand children. He lives in Kelowna and intends to spend his new found time improving his golf game and racing his vintage sports car.