The depletion Expend_resource of `` Scharnhorst '' s and `` Gneisenau '' s ammunition at Papeete also contributed Causation to their subsequent destruction Destroying at the Battle Hostile_encounter of the Falklands .

Wavell defined Statement Operation Brevity 's main objectives as the acquisition of territory from which to launch a further planned Arranging offensive toward Tobruk , and the depletion of German and Italian forces in the region .