In military science, defense (or defence) is the art of preventing an enemy from conqueringterritory. Defense may also be a euphemism for war, such as "Ministry of Defence". Military science concerns itself with the study and of the diverse technical, psychological, and practical phenomena that encompass the events that make up warfare, especially armed combat. ... Your Grandma. ... A conquest is the act of conquering a foreign land, usually for its assimilation into a larger federation or empire. ... A territory is a defined area (including land and waters), usually considered to be a possession of an animal, person, organization, or institution. ... A euphemism is an expression intended by the speaker to be less offensive, disturbing, or troubling to the listener than the word or phrase it replaces, or in the case of doublespeak to make it less troublesome for the speaker. ... War is essentially the opposite of peace. ...
In non-local conflicts, it is generally true that defenders have an advantage over attackers, since they may have the ability to make preparations for the battle to protect themselves from the enemy while making the enemy vulnerable, such as laying obstacles such as landmines or preparing positions such as trenches and fortifications. However in encounters larger than the small scale the attacker may often have the advantage, since they get to choose the time and place of battle. An attacker may concentrate their entire force on a small part of the defended area, while the defender is forced to spread their forces over the possible area of attack. A landmine is a type of mine which is placed onto or into the ground and explodes when triggered by a vehicle or person. ... A ditch with water can be used for drainage and irrigation. ... Nakhal Fort, one of the best-preserved forts in Oman. ...
In military science, defense (or defence) is the art of preventing an enemy from conqueringterritory.
Defense may also be a euphemism for war, such as "Ministry of Defence".
In non-local conflicts, it is generally true that defenders have an advantage over attackers, since they may have the ability to make preparations for the battle to protect themselves from the enemy while making the enemy vulnerable, such as laying obstacles such as landmines or preparing positions such as trenches and fortifications.
The determination of military requirements should rest on (i) a calculation of national interests and goals, (ii) an assessment of the potential military challenges to those interests and goals, and (iii) a choice among the various means -- military and nonmilitary, cooperative and independent -- for meeting the challenges.
Among those attributes conducive to cost-effective expenditure are (I) a high-level of military professionalism, (ii) open public debate on military policy issues, (iii) close scrutiny of military budgets by parliamentary authorities, (iv) multiple independent authorities for the testing and evaluation of procurement and other policy choices, and (v) a competitive defense industry.
The burden of defense born by the United States, its allies, and close friends is today more equitably distributed among the members of this group -- even though the United States continues to devote more of its GNP to defense than is the average for the group.