In Detroit, cruising squadrons of police paid special attention to the tily's vital defence industries, more than half of which were working on Aefence orders estimated to be valued at more than US.$1,000,000.000.
The New York policy and sabotage patrol guarding the tve-mile-long, Brooklyn water-front was increased, reportedly because of telephoned, threats that sabotage activities hed been planned for the Memorial Day week-end, Extra guards were stationed at the Republic Aircraft Ca. plant at Farmingdale. Conn.
Pittsburgh police were on the alert in the entire industrial area where 700 additional patroimen have been added to the fore since work defence orders was started.
US. Army anil-aircraft units guarded every major aeroplane fac~ tory in Southern California, while reinforced Marine and naval patrols
Water-front. were stationed on the Los Angeles Destroyers patrolled the harbours at Los Angeles and San Francisco,
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