Served on board the USS Lehigh, Charleston Harbor, 16 November 1863, during the hazardous task of freeing the Lehigh, which had grounded, and was under heavy enemy fire from Fort Moultrie. Rowing the small boat which was used in the hazardous task of transferring hawsers from the Lehigh to the Nahant. Irving twice succeeded in making the trip, while under severe fire from the enemy, only to find that each had been in vain when the hawsers were cut by hostile fire and chaffing.