Take some time and research each of these...very interesting stuff (info taken from this site: http://www.cassiopaea.org/cass/exec_tyranny.htm
however, all of the orders are easily accessed through Yahoo/Google search):
Also, read this from Wikipedia: http://en.wikipedia.org/wiki/Rex_84
During a declared emergency situation...
EXECUTIVE ORDER 10990 allows the government to take over all modes of transportation and control of highways and seaports. (John F Kennedy Feb 2nd, 1962)
EXECUTIVE ORDER 10995 allows the government to seize and control the communication media.(John F. Kennedy Feb 16, 1962)
EXECUTIVE ORDER 10997 allows the government to take over all electrical power, gas, petroleum, fuels and minerals.( John F Kennedy Feb. 16, 1962)
EXECUTIVE ORDER 10998 allows the government to take over all food resources and farms.(John F Kennedy Feb 16, 1962)
EXECUTIVE ORDER 11000 allows the government to mobilize civilians into work brigades under government supervision.(JFK Feb 16, 1962)
EXECUTIVE ORDER 11001 allows the government to take over all health, education and welfare functions.(JFK Feb 16, 1962)
EXECUTIVE ORDER 11002 designates the Postmaster General to operate a national registration of all persons.(JFK Feb 16, 1962)
EXECUTIVE ORDER 11003 allows the government to take over all airports and aircraft, including commercial aircraft.(JFK Feb 16, 1962)
EXECUTIVE ORDER 11004 allows the Housing and Finance Authority to relocate communities, build new housing with public funds, designate areas to be abandoned, and establish new locations for populations.(JFK Feb 16, 1962)
EXECUTIVE ORDER 11005 allows the government to take over railroads, inland waterways and public storage facilities.(JFK Feb 16, 1962)
EXECUTIVE ORDER 11051 specifies the responsibility of the Office of Emergency Planning and gives authorization to put all Executive Orders into effect in times of increased international tensions and economic or financial crisis.(JFK Sept. 27, 1962)
EXECUTIVE ORDER 11310 grants authority to the Department of Justice to enforce the plans set out in Executive Orders, to institute industrial support, to establish judicial and legislative liaison, to control all aliens, to operate penal and correctional institutions, and to advise and assist the President.(Richard Nixon October 28, 1969)
EXECUTIVE ORDER 11049 assigns emergency preparedness function to federal departments and agencies, consolidating 21 operative Executive Orders issued over a fifteen year period.(Richard Nixon October 28, 1969)
EXECUTIVE ORDER 11921 allows the Federal Emergency Preparedness Agency to develop plans to establish control over the mechanisms of production and distribution, of energy sources, wages, salaries, credit and the flow of money in U.S. financial institution in any undefined national emergency. It also provides that when a state of emergency is declared by the President, Congress cannot review the action for six months.(Gerald Ford June 11, 1976)
EXECUTIVE ORDER 12148 created the Federal Emergency Management Agency (FEMA) that is to interface with the Department of Defense for civil defense planning and funding. An "emergency czar" was appointed. FEMA has only spent about 6 percent of its budget on national emergencies, the bulk of their funding has been used for the construction of secret underground facilities to assure continuity of government in case of a major emergency, foreign or domestic.(Jimmy Carter July 20, 1979)
EXECUTIVE ORDER 12656 appointed the National Security Council as the principal body that should consider emergency powers. This allows the government to increase domestic intelligence and surveillance of U.S. citizens and would restrict the freedom of movement within the United States and granted the government the right to isolate large groups of civilians. The National Guard could be federalized to seal all borders and take control of U.S. air space and all ports of entry. Many of the figures in the Iran-Contra scandal were part of this emergency contingent, including Marine Colonel Oliver North.  (Ronald Reagan Nov 18, 1988)
You would be doing all of us a favor if you edited your post to show who had signed each of these orders.
Thx in advance. :)
I added the Presidents and the dates as requested. Most of the info was obtained from this web site:
By the way, I was not suggesting anything unusual with this post...just found the content of the orders very interesting and thought others may as well.