The Boys Nuclear War Modpack is a modpack made for me and my friends to play, it includes many war-themed and tech related mods.

This modpack includes several war/weapon mods and tech mods.

I do not own any of the mods, credit goes to the creators of said mods!

Mods list:
CurseForge Mods:

Just Enough Items (JEI) (by mezz)
Sync (by ohaiiChun)
CC: Tweaked (by SquidDev)
Open Modular Turrets (by Keridos)
ConnectedTexturesMod (by tterrag1098)
Thermal Dynamics (by TeamCoFH)
Vic's Modern Warfare Mod (by Vic4GamesTwitch)
Ender Storage 1.8.+ (by covers1624)
Immersive Intelligence (by Pabilo8)
Tesla Core Lib (by face_of_cat)
Buildcraft (by Covert_Jaguar)
Industrial Foregoing (by Buuz135)
Open Modular Passive Defense (by Keridos)
OMLib (by Keridos)
GraveStone Mod (by henkelmax)
Waystones (by BlayTheNinth)
Thermal Innovation (by TeamCoFH)
U Team Core (by HyCraftHD)
Orva Alarms and Sirens 1.16.5/1.12.2 (by Orvngexy)
PTRLib (by RazzleberryFox)
Camera Obscura (by RazzleberryFox)
SecretRoomsMod (by AbrarSyed)
Thermal Cultivation (by TeamCoFH)
Immersive Engineering (by BluSunrize)
Flux Networks (by sonar_sonic)
Chisel (by tterrag1098)
Useful Backpacks (by HyCraftHD)
Inventory Tweaks [1.12 only] (by JimeoWan)
Tinkers Construct (by mDiyo)
Decocraft (by RazzleberryFox)
Camera Mod (by henkelmax)
Mantle (by mDiyo)
ICBM - Classic (by QueenOfMissiles)
JourneyMap (by techbrew)
Flan's Mod (by FlansGames)
Mekanism (by bradyaidanc)
Refined Storage (by raoulvdberge)
YUNG's Better Caves (Forge) (by YUNGNICKYOUNG)
Mekanism Generators (by bradyaidanc)
Mekanism Tools (by bradyaidanc)
Redstone Flux (by TeamCoFH)
Atomic Science (by QueenOfMissiles)
IvToolkit (by Ivorforce)
Recurrent Complex (by Ivorforce)
CodeChicken Lib 1.8.+ (by covers1624)
NetherPortalFix (by BlayTheNinth)
Thermal Foundation (by TeamCoFH)
Ruins (Structure Spawning System) (by atomicstrykergrumpy)
CoFH Core (by TeamCoFH)
Thermal Expansion (by TeamCoFH)
Obfuscate (by MrCrayfish)
MineTraps (by XxRexRaptorxX)
CoFH World (by TeamCoFH)
Security Craft (by Geforce132)
Comforts (Forge) (by TheIllusiveC4)
Applied Energistics 2 (by AlgorithmX2)
Mouse Tweaks (by YaLTeR)
Pam's HarvestCraft (by pamharvestcraft)
Idō (Deprecated) (by bagu_chan500)
iChunUtil (by ohaiiChun)
Shadowfacts' Forgelin (by ShadowfactsDev)
Raiders (by GenDeathrow)
Numina (by machinemuse)
Modular Powersuits (by machinemuse)
FTB Ultimine (Forge) (by FTB)

Mods I recommend you download are:

GalacticraftCore (by micdoodle8) (Galacticraft Wiki)
Galacticraft-Planets (by micdoodle8)
MicdoodleCore (by micdoodle8)