Fallout Tactics: BoS → Buena Vista
This building is surrounded by a fence with several passages sealed by a force field. Therefore, we move counterclockwise along the fence, clearing out the outer guards, consisting of humanoid robots.
Try to take them out from maximum range, as these iron things are good shots. Some idiot entrusted with command of five warriors will rush in with them for a frontal assault. You'll find their torn bodies later. In the trench to the southwest, look for the control panel that disables the force field.
This monster is called the Behemoth and has at least 1000 HP. But you still won't be able to avoid a fight with this mastodon, as the exit from the location is right next to the parking lot of this walking tank. A brood of spiders is also hiding around it, and the carnage will be serious.
While the Behemoth's "garage" is protected by a force field, carefully position your men near the fence; it might even be better to enable turn-based mode. The beast is unleashed when someone on your team gets close enough to its parking spot or the passageway beyond.
Near the platform where the Behemoth is located, there are rocks behind which your soldier can hide. I placed Mommy there, who threw grenades at the beast. After the fight with the Behemoth, head to the main gate, the remote for which can be hacked by someone with a decent science proficiency.
The thing is, there are four security bots lurking on either side of the main entrance, behind the left and right corners, plus a fifth one near the power node directly ahead. The trick here is to position your men near one side of the ramp, so that the corner covers the ambush. Then you'll only be confronted by three bots at a time, making them easier to deal with. You just need to somehow provoke them to reveal themselves so you can fire accurately (throwing a grenade might help).
After eliminating five security bots in ambush, head inside. The door to the stairs opens from a control panel in the room to the south. The top of the stairs is under fire from two security bots on the right from behind the wall. Further along the balcony, your team will reach another ambush. If one of the bots activates the alarm panel, several security bots will emerge from behind the force field. However, they are armed with 9mm automatic weapons and are easily dispatched from a distance.
Clear out all the remaining rooms (best done from above, from the balcony), and you'll only have to reach the nuclear reactor. The gate to the room containing it will open when you fiddle with the control panel near the aircraft. The remaining robots will launch a final counterattack, and the entire complex will be yours.
Shoot the reactor, and after it's blown up, you'll only have to destroy three energy segments (they're similar to the ones you had to destroy in the previous mission, but they're stronger and won't blow up in one shot). New mission in Scott City.
See also:
Fallout Tactics: BoS - Ammo (Part 2)