Battle of the Eastern Solomons
Jaccard flew with Bombing Squadron 6 in support of the landings at Guadalcanal as well as the Battle of the Eastern Solomons in which "Enterprise" was severely damaged. Bombing 6 was ordered to Efate where a four-plane division including Jaccard was detached and sent to the . Jaccard was killed when "Wasp" was torpedoed and sunk on 15 September 1942.