Despite `` Hiryū '' being defended by a strong cover of more than a dozen Zero fighters , the attack by `` Enterprise '' was successful : four , possibly five bombs hit `` Hiryū '' , leaving her ablaze and unable to operate aircraft .
Despite `` Hiryū '' being defended by more than a dozen Zero fighters , the attack by `` Enterprise '' was successful : four , possibly five bombs hit `` Hiryū '' , leaving her on fire and unable to operate aircraft .