 The only significant improvements for the landing forces were the new Army Radios that were highly effective for communications and the Marine pack howitzer batteries showing that they could deploy on the shore efficiently.Plus, they learned that aerial attacks had to be made at certain right angles to the direction of the attack to avoid friendly fire.The pilots however argued that they lacked the special-type of attack aircraft and the proper air-ground communications before they were to gain precision in strafing and bombing.