Using your Rocket HWP and some grenadiers as spotters is essential. Autocannons with explosive ammo are inaccurate and still heavy but less expensive, and Heavy Cannons are as master-of-none worthless as usual. Rockets are both expensive and heavy, few soldiers had the strength to lug around good piles, which hits your TUs until they're trained up. Click to shrink.The beginning was kinda tough, yeah.