Gannon, James Benjamin: Service no. 880452 Digitized Service Record Source: Per post at 18th Battalion Facebook Group by Allan Miller. Gathering Our Heroes Find-A-Grave Gannon, James Benjamin: Service no. 880452. Via Gathering Our Heroes. Share this:EmailFacebookTwitterRedditLinkedInPrintTumblrPocketPinterestTelegramWhatsAppSkypeLike this:Like Loading...