Browse Items (11 total) Tags: Ground Observer Corps Browse All Browse by Tag Search Items Previous Page of 2 Sort by: Title Creator Date Added Training of Ground Observer Corps Renewed; 24-Hour Operation Is Goal - 12 June 1952 Newspaper article published 12 June 1952 in the Salinas Californian. Tags: 1952, Ground Observer Corps, Hamilton AFB, Operation Skywatch Previous Page of 2 Featured Item 2019 Historian Report - Squadron 192