The T88 HMC was a prototype SPG placing a 105mm howitzer into an M18. This survivor is at the Fort Lee TSF, the Ordnance Collection. Financial donations: Patreon: https://www.patreon.com/The_Chieftain Direct Paypal: https://paypal.me/thechieftainshat Utreon: https://utreon.com/c/thechieftain Merchandise https://the-chieftains-retail-hatch.creator-spring.com/ Public facebook page: https://www.facebook.com/TheChieftainArmor