Underground is a 1943 Australian radio serial by Edmund Barclay.
It was rare for most adventure serials at the time in that it had an Australian setting.
[1] Richard Shand, a soldier discharged from the Army after getting a Military Medal, is on holiday in the country when he gets involved a series of adventures arising from an attempt by enemy agents to sabotage a troop train by the Japanese.
[2] Barclay researched the serial by visiting army camps.
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