It is not yet known what squadron patch, if any, was adopted at the establishment of VF-74-A (Fighter Squadron SEVENTY FOUR A), its successor VF-74 (Fighter Squadron SEVENTY FOUR) or its successor VF-1-B (Fighter Squadron ONE B). About the time VF-21 (Fighter Squadron TWENTY-ONE) began receiving F9F-2 Panthers (replacing F4U-5 Corsairs, the squadron took the moniker of "Mach Busters" or "Mach Knockers" and the "Mach Buster" patch was adopted. Three white diamonds adorn the back of the armored fist. Thanks to a4skyhawk.org for the information. Price Includes Economy Shipping to most locations, additional costs for EURO and Africa nations.