| 1. | In the Second World War he advised the RAF on gas warfare.
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| 2. | This officer should be experienced in the practical use of gas warfare.
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| 3. | Officials said a military poison gas warfare unit was sent to the area.
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| 4. | It is the ultimate in gas warfare : The stench pours through the pores.
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| 5. | Defense Agency officials said a military poison gas warfare unit was being sent to the area.
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| 6. | This is the earliest evidence of gas warfare.
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| 7. | A military poison gas warfare unit was sent to the area, and prepared to spray neutralizing chemicals.
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| 8. | Then and now, the phrase included nuclear bombs but was directed mainly at germ and poison-gas warfare.
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| 9. | A military poison gas warfare unit was sent to the area and prepared to spray neutralizing chemicals.
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| 10. | {{ quote | As a gas warfare instrument the material would . . . be inhaled by personnel.
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