'Aerial mine laying blockades Japanese shipping' depicts Allied preparations and Operations of the 21st Bomber Command, for aerial dropping of mines in the Pacific ocean to thwart Japanese shipping in World War 2. . Rows of stacked bombs are shown in a munitions dump at Tinian Air Base in the Mariana Islands. Camera focuses on a 2000 pound MK25 mine. Men demonstrate hydrostatic safety devices on the mine, including an extender that holds the detonator away from the booster charge until sufficiently immersed, and a clock delay mechanism. MK 25 transported to B-29 aircraft named Flak Alley Sally. (This is B-29 Number 42-24878 of the 40th Bomb Squadron, 6th Bomb Group, 313th Bomb Wing.) Airmen attach a parachute to the end of the mine. Another inserts the detonator and its extender plus the timer device into the side of the mine. Soluble washers are then placed in arming device ports. Scene shifts to Army and Navy planners working with maps, dividers, and a Weems plotter to mark the target location and mine laying pattern. 313th Bombardment Wing Group Commanders are seen being briefed in a war room. Next, engines are seen starting on a B-29, that then takes off and is seen in flight.(Narrator notes that missions are flown at night, but this one is photographed in the day to show how it is done. View of B-29 cruising above clouds. View from inside the aircraft, of bomb bay slowly opening. View of the target area below. The parachute of a mine opens by a static line as it falls from the bomb bay. Scene shifts to water level closeup of a mine striking the water. ('Presumably a demonstration inserted here.) Final scene shows a Navy Grumman TBF/TBM Avenger torpedo bomber dropping a parachute equipped mine. in the same location.
This historic stock footage available in HD video. View pricing below video player.
| Type | Size | Price (USD) Standard License |
Price (USD) Premium License |
|---|---|---|---|
| HD Master, Broadcast-ready (1920x1080, unmarked) | 2664 MB | $225.00 | $275.00 |
| HD Screener (1920x1080, full-res with timecode) | 2664 MB | FREE or $4 (see below) | FREE or $4 (see below) |
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