Prime minister leader, the incoming leader will usually be referred as "prime minister-in-waiting". An example or this situation was in 2016 in the United Kingdom when Theresa May was elected leader of the Conservative Party while David Cameron was still prime minister. Ukraine's constitution (1996) lists the powers, functions and duties of the Prime Minister of Ukraine. Most prime ministers in parliamentary systems are not appointed for a specific term in office and in effect may remain in power through a number of elections and parliaments. For example, Margaret Thatcher was only ever appointed prime minister on "one" occasion, in 1979. She
Military Secretary to the Prime Minister resulted in military considerations unduly weighing upon Israel's national security policy at the expense of other considerations. It has been additionally suggested that to remedy this, the position of Military Secretary ought to be held by a lower rank. Critics of this view have suggested that the Military Secretary's influence follows that of other positions, namely, the National Security Council and the National Security Advisor. Military Secretary to the Prime Minister The Military Secretary to the Prime Minister (, "Ha-Mazkir Ha-Tzvaei Shel Rosh-Ha'Memshalah"), is the senior military adviser to the Prime Minister of Israel on military and national security issues.