The first victory that came to the German U-boats was over the British liner Athenia (Pitt, 8). ... Today the convoy system is a standard naval defense procedure that limits the threat to the merchant vessels from submarines. Assembling merchant vessels to sail with armed escort vessels creates the convoy system (HAH-WEB). ... The down side to the convoy system was that there was a waiting period between each fleet that went out (MM-WEB). ... Air support was introduced to the convoy system to force the submarines under the water. ...

• Word Count: 1770
• Approx Pages: 7
• Grade Level: High School