Mr. O'NeillTo ask the Secretary of State for Defence what was the approximate average annual cost of providing new equipment measured over the last 20 years298W to (a) each of the commando units and headquarters according to type of unit, listed on page 55, (b) each of the squadrons according to the type of equipment with which they are issued listed on pages 56, 59 and 60 and (c) each of the units and headquarters according to type of unit listed on page 57 of the "Statement on the Defence Estimates 1990", Cm. 1022-1.