# 美军单位定义
units:
  # 步兵单位
  - id: "usa_infantry_gi"
    name: "American GI"
    nation: "USA"
    type: "Infantry"
    stats:
      attack: 2
      defense: 1
      operation_cost: 1
    keywords: []
    abilities: []
    
  - id: "usa_infantry_marine"
    name: "US Marine"
    nation: "USA"
    type: "Infantry"
    stats:
      attack: 2
      defense: 2
      operation_cost: 2
    keywords: []
    abilities: []
    
  - id: "usa_infantry_ranger"
    name: "Army Ranger"
    nation: "USA"
    type: "Infantry"
    stats:
      attack: 3
      defense: 1
      operation_cost: 2
    keywords:
      - "BLITZ"
    abilities: []
    
  # 坦克单位
  - id: "usa_tank_sherman"
    name: "M4 Sherman"
    nation: "USA"
    type: "Tank"
    stats:
      attack: 3
      defense: 2
      operation_cost: 2
    keywords:
      - "BLITZ"
    abilities: []
    
  - id: "usa_tank_pershing"
    name: "M26 Pershing"
    nation: "USA"
    type: "Tank"
    stats:
      attack: 4
      defense: 3
      operation_cost: 3
    keywords:
      - "BLITZ"
    abilities: []
    
  # 火炮单位
  - id: "usa_artillery_howitzer"
    name: "M114 Howitzer"
    nation: "USA"
    type: "Artillery"
    stats:
      attack: 4
      defense: 1
      operation_cost: 3
    keywords: []
    abilities: []
    
  # 战斗机
  - id: "usa_fighter_p51"
    name: "P-51 Mustang"
    nation: "USA"
    type: "Fighter"
    stats:
      attack: 3
      defense: 1
      operation_cost: 2
    keywords: []
    abilities: []
    
  - id: "usa_fighter_p47"
    name: "P-47 Thunderbolt"
    nation: "USA"
    type: "Fighter"
    stats:
      attack: 2
      defense: 2
      operation_cost: 2
    keywords:
      - "GUARD"
    abilities: []
    
  # 轰炸机
  - id: "usa_bomber_b17"
    name: "B-17 Flying Fortress"
    nation: "USA"
    type: "Bomber"
    stats:
      attack: 5
      defense: 2
      operation_cost: 4
    keywords: []
    abilities:
      - trigger: "on_deploy"
        effects:
          - action: "deal_damage"
            target: "enemy_support_random"
            amount: 3
            
  - id: "usa_bomber_b25"
    name: "B-25 Mitchell"
    nation: "USA"
    type: "Bomber"
    stats:
      attack: 3
      defense: 1
      operation_cost: 3
    keywords: []
    abilities:
      - trigger: "on_deploy"
        effects:
          - action: "deal_damage"
            target: "enemy_front_line"
            amount: 2