5. Whirling Sandstorm conditions 6. Shifting Wind 15 k to 20 k speed 7. Calm 000 195 k to 200 k 8. Assess target flack 9. Calm conditions. The chart displays the formation of gas barrage for the Chemical Warfare Service during World War One. It provides information on range measurements and varying wind conditions that may affect the effectiveness of the attack.

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Size: 9178px × 6297px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 111-sc-, 111-sc-2071, 1919, attack, au, barrage, calm, cd, chart, chemical, cross, diagonal, formation, gas, meters, neg, photographer, range, ropi, symbol, warfare, wind, wunder