When the wave of attacking Earth ships first come through the jump-gate, a Hyperion-Class cruiser is visible, but it disappears during the battle.
After a Starfury strikes the shield over the command deck, there is a damaged and burning video screen to the left of Sheridan but no damage to the wall beneath it. Four seconds later there is a big wedge sticking out of that same wall.
During the hand-to-hand struggle Garibaldi clubs one of the marines with his rifle, but never actually connects.