It was conducted Action by the Australian Army , the Department of Supply , and the Defence Standards Laboratory with participation Participation from the United Kingdom , Canada and United States .

The purpose of `` Steel Tiger '' was to impede Hindering the flow Motion of men and materiel on the enemy logistical routes collectively known as the Ho Chi Minh Trail ( the Truong Son Strategic Supply Route to the North Vietnamese ) .

The purpose of the operation was to interdict the flow Motion of People 's Army of Vietnam ( PAVN ) supplies Supply on the Ho Chi Minh Trail ( the Truong Son Strategic Supply Supply Route to the North Vietnamese ) from the Democratic Republic of Vietnam ( North Vietnam ) , through southeastern Laos , and into the northern provinces of the Republic of Vietnam ( South Vietnam ) .