Change list number 4 for specification entitled 'Testing Seaslug Mk.2 missiles and spare parts at RN Armament Depots at Issue 13'
Change list number 10 for specification entitled 'Testing Seaslug Mk.2 missiles and spare parts at RN Armament Depots at Issue 19'
Change list number 9 for specification entitled 'Testing Seaslug Mk. 2 Missiles and Spare Parts at R.N. Armament Depots at Issue 18'
Change list number 7 for specification entitled 'Testing Seaslug Mk.2 missiles and spare parts at RN Armament Depots at Issue 16'