在学习英语的过程中，了解军事和国防相关的词汇对于理解新闻报道、历史文献，以及时事政治等方面至关重要。以下列出了一些常见的军事和国防相关英语词汇，每个词汇均附有中文解释和一个英语例句。
Army
陆军，是国家武装力量的一个主要分支，主要负责地面作战任务。
He joined the army right after finishing high school.
Navy
海军，国家武装力量的一部分，专门负责水上作战和相关活动。
The navy is conducting maneuvers in the Pacific Ocean.
Air Force
空军，是负责空中战斗、飞机操作和空降任务的军事分支。
The Air Force has recently acquired new fighter jets.
Marines
海军陆战队，一种特殊的军事部队，专门从事快速部署和两栖作战。
The Marines are known for their rigorous training and versatility.
Commander
指挥官，高级军官，负责指挥军队或特定的军事行动。
The commander gave the order to advance.
Troops
部队或士兵的集合体。
Thousands of troops were sent to stabilize the region.
Battalion
营，军队中的一个单位，通常由几百名士兵组成。
The battalion moved into position at dawn.
Infantry
步兵，主要负责地面作战的军事单位。
The infantry advanced under the cover of darkness.
Tank
坦克，一种重型装甲战斗车辆，用于地面攻击。
Tanks played a crucial role in the ground offensive.
Warship
军舰，一种设计用于参加海战的船只。
The warship was deployed to the disputed waters.
Fighter Jet
战斗机，一种高速武装飞机，主要用于空中战斗任务。
The fighter jet scrambled to intercept the incoming aircraft.
Drone
无人机，一种无需载人即可操作的遥控或自动驾驶飞行器。
Drones are increasingly used for surveillance and targeted strikes.
Missile
导弹，一种可以被精确引导至目标的自主或遥控武器。
The missile was launched from a submarine and hit its target accurately.
Cyber Warfare
网络战，通过网络攻击对敌方的计算机和信息系统造成损坏或破坏。
Cyber warfare is becoming a significant threat to national security.
Intelligence
情报，军事和国防领域中收集、分析敌军活动的信息。
The intelligence suggested an imminent attack by the enemy.
Surveillance
监视，观察和监控行动，以收集情报或确保安全。
Surveillance drones were sent to monitor the border.
Ammunition
弹药，用于枪械和其他武器的发射体，如子弹、炮弹。
The supply convoy was carrying food, water, and ammunition.
Camouflage
伪装，使人员或装备在自然环境中难以被观察到的做法。
The soldiers wore camouflage to blend in with the forest surroundings.
Treaty
条约，国家或政府之间为了解决争端、建立友好关系而订立的正式协议。
The peace treaty was signed after years of negotiation.
Ally
盟友，与其他国家或组织结盟的国家，通常在军事或政治上互相支持。
The country called on its allies for military support.
Veteran
退伍军人，已经服役并退役的军人。
Veterans were honored during the parade for their service.
通过学习这些军事和国防相关的英语词汇，你不仅可以扩充你的词汇量，还能更深入地理解国际关系和全球安全的复杂性。随着你词汇量的增长，你会发现自己能够更自信地参与关于这些话题的讨论，并且更加流利地阅读和理解相关的英语材料。
