During the final part of the "Der Flakturm" mission, when you must escape through the sewer, you will meet about six of the elite machine gun soldiers. It is very hard to defeat them all. It is much easier to run past them all. Make sure you have at least three health bars.
In the sewers, if you are skilled enough with the MP40, you can take out all the elite machine gunners by hiding behind something and waiting for them to walk by. Shoot their heads. With the fully upgraded MP40, it takes nineteen headshots to kill them.
If the tanks on patrol (for example, in Market Garden or Neptune) seem like they are after you and you cannot get a decent shooting position, aim for their caterpillar tracks. This works best with a recoilless rifle or a Panzerschreck, but Gammon grenades will also work. With either of the rocket launchers, aim directly at the gears of the tracks and put a round through it. The tank will stop, making it easier to get ammo and take it out. With the Gammon grenades, throwing it directly up against the tracks or cook it so it bursts on contact or in the air next to it.
Land in the right window of the guard house that is near the southwest AA gun.
Land on the roof of a house south of the town hall.
Land on the church tower.
Land through the far left open ledge on the balcony that is on the right side of the town hall.
Operation Avalanche Land in a broken water barrel located by the motor pool fuel tanks. Land through a window on the broken walkway with arches near the eastern smoke. Land on the on top of the crane part of the cargo loader in the circular arena. Land on a pillar near the circular arena. Land in a open room in the ruins.
Land on the wooden frame on the roof by the M8 part (the house where the tank circles around).
Land in the opening of a broken house by the green smoke flare by the tank.
Land on the roof a broken down building north of the tank area .
Land through the door of a pillbox south of the huge lookout bunker (not the tower with the radar).
Land on the concrete wall directly west of the same bunker with the pillbox drop spot. You must land on the first wall directly west of the bunker. Start flaring your parachute immediately as you start to drop.
Operation Market Garden
Land on the catwalk by the church steeple or inside it. Watch out for the sniper position there.
Land on a plank that connects two houses, south of you when you drop from the air. The house is located by the crate where you get the Gammon grenades.
Land through a window from the direction you start in the air; near the "Destroy radio equipment" objective.
Land in a hole in the wall. This skill drop is left of the drop where you have to land on the two planks that connect each other. The hole is on the left side of the building in an alleyway.
When in the air face towards the bridge. Go towards to the road northwest of your position once facing the bridge. Land on a metal balcony on a building that is on the left side of the that road.
Land on top of the middle large silo. Watch out for sniper fire.
Land through the upper doorway of the building where you have to blow up the munitions stockpile. It is located directly behind you when you jump.
Land on a flatbed train west of the munitions stockpile building. It has nothing on it. The tracks you are looking for are above all the other tracks.
Land on the second metal catwalk under the far right large silo when you jump out of the plane. This same platform leads into the building where you destroy the tank factory.
Land on the 2nd metallic walkway on the long white pipeline. Watch out for sniper fire.
Operation Der Flakturm
Land on the scaffolding that is on the rims of the tower below the flak gun's floor.
Land in a window directly underneath the scaffolding that you get the previous drop spot. It is in the middle section of the tower.
Land through a door to your immediate right as you are jumping.
Land through a window the is directly to the left of the other window drop spot.
Land through the far left doorway of the left building on ground level.