For you good folk who are interested the complete list of Javelin squadrons with marks are;
Mark 1 46,87
Mark 2 46,89 (later 85)
Mark 4 3,5,11,29,72,141,151
Mark 5 41, 137, 151
Mark 6 29,46, 89 (later 85)
Mark 7 23,25, 33, 64.
Mark 8 41,85
Mark 9 23,25,29,60,64
Think that's the complete list.