 In terms of combat scale, a strategic defensive is considered a war that can last from days to generations or a military campaign as a phase of the war, involving a series of operations delimited by time and space and with specific major achievable goal allocated to a defined part of the available armed force.As a campaign, a strategic defence may consist of several battles, some of which may be offensive in nature, or may result in the conduct of withdrawals to new positions, encirclements, or sieges by the defender or the attacker as a means of securing strategic initiative.The strategic goal of a strategic defensive may require a conduct of an offensive operation far removed from the main national territory, such as the case with the 1982 Falklands campaign, which sets logistics apart as the dominant consideration in strategic defensive as a doctrine.