In reviewing Prussian deficiencies against the Austrians, the General Staff made several improvements to increase the strategic and tactical proficiency of the King's army. Cavalry would no longer be held in reserve, but would actively screen the army's movements at all levels, make first contact with the enemy, and constantly observe hostile activities. Newly developed rifled artillery would no longer be placed in the rear of the order of march for employment behind the infantry; instead, a significant detachment would travel with the advanced guard of the leading corps or other major element, and the remainder would march with the front of the main body, providing immediate artillery coverage of the advanced guard on contact and of the main body during subsequent deployment on the field. A renewed emphasis was placed on maintaining contact with subordinate and superior commands, so that commanders always were informed of units' locations on the battlefield, reducing the "fog of war" effect. Finally, the introduction of the breech-loading infantry rifle marked a revolution in weapons effect, so that Moltke made the following analysis in 1865: