Grumman A-6A/E Test & Eval Intruders Multiple marking options for US Navy test and evaluation Intruders. This 1/48 scale Intruder sheet is dedicated to various US Navy A-6A/Es that were used for systems and weapons testing. The options on this decal sheet are: A-6A BuNo. 151784, Naval Missile Center A-6A BuNo. 152642, Pacific Missile Test Center A-6A BuNo. 157014, VX-5 A-6E BuNo. 159567, Naval Air Test Center A-6E BuNo. 159567 (low-vis markings), Naval Air Test Center A-6E BuNo. 156926, Naval Air Warfare Center