Selected Free World Military
Ground Operations
1966 - 1972

Note: This page is currently primarily for testing styles and layout. It should not be regarded as a completely accurate or complete source of data. The information has been extracted from over 250,000 records related to large scale ground operations from the SITRA electronic data file. DCB is cross-checking these records against other sources. We will add additional operations and updated and corrected data as we develop and refine this process. In the meantime, we welcome visitors' comments, suggestions and corrections regarding this page. We are particularly interested in additional sources of information on ARVN, ROKA and RTA operations in Southeast Asia. Anyone with such information is encouraged to contact DCB Software at

Letter: O

NameCorps/MRProvince(s)Commenced/TerminatedAdditional Links
OAHU3Tay Ninh660801 to 660831 
OH JAC KYO2Phu Yen670307 to 670418 
OH JAC KYO 22Phu Yen670418 to 670531 
OKLAHOMA HILLS1Quang Nam690426 to 690529 
ONSLOW1Quang Nam671015 to 671017 
OPORD 11-711Quang Tri
Thua Thien
711008 to 720212 
OPORD 13-701Quang Tri
Thua Thien
710905 to 710908 
OSCEOLA1Quang Tri671020 to 680120 
OSCEOLA II1Quang Tri680120 to 680216 
OTTAWA1Thua Thien660820 to 660822 
OWEN MESA1Thua Thien680925 to 681014 

SOURCE: Situation Report Army File (SITRA), 1966-73

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