The Whirlwind is a bomber, designed for destroying buildings. It's DPS is higher than that of the Armada T1 bomber. It drops bombs over the target and makes a flyby to reload ammunition. It can strike every 9 seconds. Always scout first and combine with fighters to eliminate enemy's airwall before  bombing. Press A for attack and drag your RMB to execute a carpet bombing, or use area attack command to strike targets within a circle.