military_rank dan halutz
Social science is a ___MASK22___ category of academic disciplines , concerned with society and the relationships among individuals within a society . It in turn has many branches , each of which is considered a " social science ". The main social sciences include economics , political science , human geography , demography , and sociology . In a wider sense , social science also includes some fields in the humanities such as anthropology , archaeology , jurisprudence , history , and linguistics . The term is also sometimes used to refer specifically to the field of sociology , the original ' science of society ', established in the 19th century . A more detailed list of sub - disciplines within the social sciences can be found at Outline of social science . The Israel Defense Forces ( IDF " lit ." " The Army of Defense for Israel "), commonly known in Israel by the Hebrew acronym " Tzahal ", are the military forces of the State of Israel . They consist of the ground forces , air force , and navy . It is the sole military wing of the Israeli security forces , and has no civilian jurisdiction within Israel . The IDF is headed by its Chief of ___MASK27___ Staff , the " Ramatkal ", subordinate to the Defense Minister of Israel ; ___MASK72___ (" Rav Aluf ") Gadi Eizenkot has served as Chief of Staff since 2015 . Gadi Eizenkot ( born May 19 , 1960 ) is the Chief of ___MASK27___ Staff of the Israel Defense Forces , taking the oath of office on February 16 , 2015 . He is the originator of the so - called Dahiya doctrine . ___MASK72___ , lieutenant - general and similar ( abbrev Lt Gen , LTG and similar ) is a three - star military rank ( NATO code OF - 8 ) used in many countries . The rank traces its origins to the Middle Ages , where the title of ___MASK72___ was held by the second in command on the battlefield , who was normally subordinate to a captain general . ___MASK51___ ( lit . " champion ") is the term used in the Israel Defense Forces ( IDF ) for officers who in other countries would have the rank of general , air marshal , or admiral . In addition to the " ___MASK51___ " rank itself , there are four other ranks which are derivatives of the word . Together , they constitute the five highest ranks in the IDF . The Israeli Air Force ( IAF " Zroa HaAvir VeHahalal ", " Air and Space Arm ", commonly known as , " Kheil HaAvir ", " Air Corps ") operates as the aerial warfare branch of the Israel Defense Forces . It was founded on May 28 , 1948 , shortly after the Israeli Declaration of Independence . ___MASK51___ Amir Eshel serves as the Air Force Commander . A ___MASK84___ ( abbreviated Lt ., LT , LTA , Lieut ., LEUT and LEUT .) is a junior commissioned ___MASK63___ in many nations ' armed forces , fire service or police . Economics (, ) is a social science concerned with the factors that determine the production , distribution , and consumption of goods and services . The term " economics " comes from the Ancient Greek from (', pronounced " eekos ", " house ") and (', " custom " or " law "), hence " rules of the house ( hold for good management )". ' Political economy ' was the earlier name for the subject , but economists in the late 19th century suggested " economics " as a shorter term for " economic science " to establish itself as a separate discipline outside of political science and other social sciences . Dan `` Danny '' Halutz ( Hebrew :    , listen ; born August 7 , 1948 ) is an Israeli Air Force Lt . ___MASK27___ and former Chief of Staff of the Israel Defense Forces and commander of the Israeli Air Force . Halutz was appointed as Chief of Staff on June 1 , 2005 . On January 17 , 2007 , he announced his resignation . He has a degree in economics . He was born to a Mizrahi Jewish family with origins in Iran and Iraq . He is chairman of the Etgarim special - needs charity . Political science is a social science which deals with systems of government , and the analysis of political activities , political thoughts and political behaviour . It deals extensively with the theory and practice of politics which is commonly thought of as determining of the distribution of power and resources . Political scientists " see themselves engaged in revealing the relationships underlying political events and conditions , and from these revelations they attempt to construct ___MASK27___ principles about the way the world of politics works ."