VX-4, Air Test and Evaluation Squadron Four, (AIRTEVRON FOUR), commonly referred to by its nickname, The Evaluators) was a United States Navy air test and evaluation squadron based at Naval Air Station Point Mugu, California. Their tail code was XF, and they flew the Grumman F-14 Tomcat and the McDonnell Douglas F/A-18 Hornet until their disestablishment in 1994.