Solider assets https://assetstore.unity.com/packages/3d/characters/humanoids/toon-soldiers-ww2-demo-85702

helicopter: https://assetstore.unity.com/packages/3d/vehicles/air/military-helicopter-ii-9472
tank: https://assetstore.unity.com/packages/3d/vehicles/land/ww2-maus-tank-24672
truck: https://assetstore.unity.com/packages/3d/vehicles/land/m3a1-scout-car-53149

helicopter sound: https://www.youtube.com/watch?v=2RtDgTm6rn4
Tank sound: https://www.youtube.com/watch?v=8UZCQmCcpoA
Background music: https://www.youtube.com/watch?v=Rzox3m5kbnw

capture point stone pillar and base: https://assetstore.unity.com/packages/3d/environments/stone-pillar-34670
akm: https://assetstore.unity.com/packages/3d/props/guns/akm-72911
lee enfield: https://assetstore.unity.com/packages/3d/props/guns/rifle-enfield-base-95001
shotgun: https://assetstore.unity.com/packages/3d/props/guns/shotgun-26685

soldier: https://assetstore.unity.com/packages/3d/characters/humanoids/toon-soldiers-ww2-demo-85702

gun shooting sounds: http://soundbible.com/tags-gun.html

war sounds: https://www.youtube.com/watch?v=fwAkkIbRbRE

rock pack https://assetstore.unity.com/packages/3d/environments/rock-boulders-2452
basic steel material: https://share.allegorithmic.com/libraries/2493
concrete material: https://share.allegorithmic.com/libraries/1749
behaviour tree: provided from the tutorials