d'Orsay
- long-range radar station
- long range radio aid to navigation
- long-range reconnaissance
- long-range reconnaissance and surveillance detachment
- long range reconnaissance imager
- long-range reconnaissance patrol
- long-range requirement
- osay
- osazone
- o. s. b.
- osb
- osba
- os basilare
- osbb
- osbbc
- osbc
- osbcr
- osbd
- osbda
- osbdc
- osbe
- osbeels
- osbeltca
- osbep
- osbert guy stanhope crawford