The change in acronym is one very good indication to the fast changing world of aerial weapon system.
The Missile Technology Control Regime (MTCR) should be changed to something like "The long range platform technology control regime" or LRPTCR. The acronym is not important. What is important is the adaption of the reality to many kinds of control efforts.
Unmanned air vehicles, or in their most recent name unmanned air systems, are changing the reality that led to the original MTCR.
As these lines are written, officials of the Israeli ministry of defence are discussing the ways in which the MTCR in its wider version, might affect the export of Israeli developed UAS.
It is already obvious that with some large long endurance UAVs the Israeli ministry of defence will have to get approval for every export deal from Washington. And based on past experience, when Israel planned to export "strategic" systems, the US administration made angry voices and sometimes became even aggressive.
Israel has not officially joined the MTCR but because of its "special relations" with the US, is adhering to its limitations.
The issue was brought to the discussion table in the defence ministry due to the development of some very big UAS with long endurance and range.
One is the Dominator-2 developed by Aeronautics, based on the Diamond DA-42 twin engine aircraft, and the Israel Aerospace Industries (IAI) Heron TP.
The aim of the MTCR is to restrict the proliferation of missiles, complete rocket systems, unmanned air vehicles, and related technology for those systems capable of carrying a 500kg payload to a range of 300km, as well as systems intended for the delivery of weapons of mass destruction (WMD).
I'm not sure the acronym will change but the substance will have to. The fast progress of the technologies is simply forcing it and Israel as a UAS superpower accelerates the process.