With radar directed[0] gunnery and proximity fuzed rounds, absolutely. For SHORAD, or short range air defense. You'd need a lot of guns parceled out over a lot

With radar directed[0] gunnery and proximity fuzed rounds, absolutely. For SHORAD, or short range air defense. You'd need a lot of guns parceled out over a lot of frontage to protect your positions. [0]Which, of course, means it has emissions that can be tracked, pinpointed, and targeted.