U.S. Navy Flight Training patch. Shows T-34, T-44, and TH-57. I don't know which base this is from but my guess, only a guess, is NAS Corpus Christi. Used but in pretty good condition. Some fraying around the edges. Velcro on back but doesn't look like factory Velcro. Maximum dimension 4 1/4 inches. Ask questions before you buy. I do not accept returns. U.S. sales and shipping only.