Call Field Memorial Museum, 4515 Jacksboro Hwy, Wichita Falls, TX 76302. Phone: 940-322-7628. You'll have to be punctual to see this 'museum', it's open from 10 AM to Noon every Saturday. An airworthy JN-4D 'Jenny' trainer from World War I flies on the first Saturday of the month, if weather permits. It's a free exhibit and on the grounds of a WW I training station.