I agree with much of what TC says.
However, the p1ssing contest between the MCA and the MoD, equalled only by the similar contest between the RAF and RN, continues to prevent proper analysis of the existing task and preparation for the new one. This scene of division leaves an open door for those skilled at grabbing extra slices of the taxpayers' dosh, detracting from Treasury and DfT objectives of good value and fair competition.
The ARCC should be in the hands of those who know about aeronautical matters, about rescue and about co-ordination. This means there are no options better than leaving it as it is.