Deputy Head Operations Control

Head Operations & Intelligence

Head Operations & Security

Head Operations & Training

Head Operations Centre

Head Operations Control

Head Operations Development

Head Operations Management

Head Operations Planning Branch

Head Operations Support Branch

Head Medical Operations & Planning Branch

Head Welfare Operations

hammer head [= hammer head shark]

head to head

head to head configuration

head to head structure

head wind [= head sea]

head-to-head

head-to-head polymer