A vertical service code (vsc) is a sequence of digits and the signals star (*) and pound/hash (#) dialed on a telephone keypad or rotary dial to access certain telephone service features [1] some vertical service codes require dialing of a telephone number after the code sequence. This is an incomplete list of u.s Officially, arkin (2005) says that there are three types of code name Polo and step) assigned to represent a specific program, special access program, exercise, or activity The following list shows specific aeronautical transponder codes (typically called squawk codes), and ranges of codes, that have been used for specific purposes in various countries
Traditionally, each country has allocated transponder codes by their own scheme with little commonality across borders The list is retained for historic interest. The defense readiness condition (defcon) is an alert state used by the united states armed forces [1][2] the defcon system was developed in 1959 by the joint chiefs of staff (jcs) and unified and specified combatant commands Foreign and international awards foreign and international decorations are authorized for wear on united states military uniforms by the department of defense in accordance with established regulations for the receipt of such awards as outlined by the state department.
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