The four large cropped delta-shaped fins normally located near the midsection of the second stage rocket are missing on this SA-2 and the one pictured on the transporter on the previous page.
SA-2 Guideline Missile on Launcher
The SA-2 is a medium to high altitude surface-to-air missile system. The two-stage missile has a large solid propellant booster stage fitted with four very large delta fins. The launcher can be dug into pits, located at ground level, or placed in hardened concrete revetments.