Subject matches "Launch and Recovery activity" or its children

Instrument over the side of Chain

Putting up balloon from deck of Crawford

Unidentified man working with a BT over the side of Crawford

Joe Barrett and an unidentified man waiting to retrieve instrument

Salinometer being retrieved

Alvin Bradshaw with salinometer over side of Crawford

Alvin Bradshaw with early model CTD over side of Crawford

Working over the side of Crawford with instrument

Frank Mather (top left) and others pulling up net

Unidentified man aboard Crawford with a bathythermograph.

Man leaning over side of Crawford with bathythermograph

Unidentified man with bathythermograph aboard Crawford

Unidentified man standing on hydroplatform aboard Crawford

Weather balloon being launched from deck of Crawford

Meteorologist sending up radiosonde balloon from Crawford

Oil can buoy being deployed from Crawford

Group working with Bowen water sampler

Putting large Bowen water sampler over side of Crawford

Large Bowen water sampler over the side of Crawford

Bowen large volume water sampler coming up