Assertion: tank's gun | /r/HasProperty | about to enter service
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text: Five different 17-pounder-armed British designs saw combat during the war: the A30 Challenger, the A34 Comet (using the OQF 77mm HV variant), the Sherman Firefly, the 17pdr SP Achilles, and the 17pdr SP Archer self-propelled gun, while one more, the A41 Centurion, was about to enter service as the European war ended.