World War II River Assault Tactics by Gordon Rottman

Author:Gordon Rottman
Language: eng
Format: epub
Tags: World War II River Assault Tactics
ISBN: 9781780961101
Publisher: Osprey Publishing

ERECTING A TREADWAY BRIDGE

Here, US Army combat engineers construct an M2 treadway floating bridge from the near to the far bank of a German river, which is flowing from right to left (note anchor lines from pontoons, secured upstream). Various sizes of inflatable and steel boat-pontoons could be employed – here, 33ft x 5ft 6in inflatables, moored 3ft 9in apart (1). Three steel treadway sections have been erected on trestle supports to act as a ramp down the steep near bank (2). Using the ramp, a Brockway erector truck (3) has now finished unloading pontoons and hoisting 12ft x 3ft 9in treadway sections onto their steel saddles. Bridge sections are being readied to be moved to the far bank, and an 18ft utility powerboat is pushing a two-pontoon section (4) against the current, to be linked to the other end section (5). When that first section was pushed across it was used as a ferry to carry the Caterpillar D4 bulldozer (6), so that it could begin clearing an exit road from the bridge site. A bridge like this could be erected in 2–3 hours, depending on the width of the river and the speed of the current; naturally, it took longer when the water was flowing fast.

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