With a top speed of 540 km/h, the B7As were very hard to intercept for the Allied fighters. The inner bomb bay of B7A contains two 250 kg bombs in the dive-bombing missions and the inner bomb load is applied only on B7A among all the WW2 Japanese planes.
The B7A was one of the largest and coincidentally one of the most powerful of Japan's carrier-based aircraft. It is believed that had Japan been able to launch strikes with this formidable warbird from carriers, the B7A would have had a devastating impact on Allied ships.