Lt. Johnson demonstrating his diving form while preparing to dive from the FATHOMER.

Diving for coins and peddling wares to the FATHOMER.

Surveying steamer FATHOMER in Manila Bay. In: "Nautical Charting," by George Rockwell Putnam, 1908. 162 pp.

On the bridge of the EXPLORER.

Port quarter of Coast and Geodetic Survey Ship EXPLORER.

Starboard bow of Coast and Geodetic Survey Ship EXPLORER.

Survey launch returning to ship while working.

Securing launch off EXPLORER at end of survey day.

Securing launch off EXPLORER at end of survey day.

Survey launch underway off EXPLORER.

A calm day on the EXPLORER in the Aleutian Islands.

Christensen rowing, Stevens enjoying the ride. In the days of iron boys and wooden row boats. Heading to shore .

The first "blow" in September. A warning of things to come.

The first "blow" in September. A warning of things to come.

The return home across the Gulf of Alaska on the Coast and Geodetic Survey Ship EXPLORER.

The return home across the Gulf of Alaska on the Coast and Geodetic Survey Ship EXPLORER.

The return home across the Gulf of Alaska on the Coast and Geodetic Survey Ship EXPLORER.

The return home across the Gulf of Alaska on the Coast and Geodetic Survey Ship EXPLORER.

The return home across the Gulf of Alaska on the Coast and Geodetic Survey Ship EXPLORER.

The return home across the Gulf of Alaska on the Coast and Geodetic Survey Ship EXPLORER.

The return home across the Gulf of Alaska on the Coast and Geodetic Survey Ship EXPLORER.

The return home across the Gulf of Alaska on the Coast and Geodetic Survey Ship EXPLORER.

The return home across the Gulf of Alaska on the Coast and Geodetic Survey Ship EXPLORER.

A survey launch off the EXPLORER at Rat Island.

Looking forward from the stern on a rolly day in the North Pacific on the Coast and Geodetic Survey Ship EXPLORER.

Equator crossing ceremony on the ESSA Ship DISCOVERER. A thoroughly bedraggled Monte Poindexter steels himself to kiss the baby.

Commander Hubert Keith, Executive Officer of the ESSA Ship DISCOVERER, after a trip to the royal barber during Equator crossing ceremonies.

Lieutenant Archie Patrick, striving to become a shellback, during Equator crossing ceremonies on the ESSA Ship DISCOVERER.

Monte Poindexter receiving being dubbed by the royal sceptre during Equator crossing ceremonies on the ESSA Ship DISCOVERER.

A properly respectful pollywog bowing before King Neptune during Equator crossing ceremonies on the ESSA Ship DISCOVERER.

King Neptune holding court on the ESSA Ship DISCOVERER

King Neptune and his court planning for the arrival of the disgusting pollywogs.

The potential fate of disrespectful pollywogs is being contemplated by all at the beginning of equator crossing ceremonies on the ESSA Ship DISCOVERER.

Pollywog getting ready to bathe in order to cleanse self prior to meeting the royal court during equator crossing ceremonies on the ESSA Ship DISCOVERER.

Executive officer Hubert Keith foiled the royal barber during equator crossing ceremonies on the ESSA Ship DISCOVERER.

Pirates, wizards and other assorted evil and benign entities make up Neptune's royal court during any self-respecting equator crossing ceremony. On the ESSA ship DISCOVERER.

Executive officer Hubert Keith who looks entirely too clean to have yet partaken in the pollywog bath during equator crossing ceremonies on the ESSA Ship DISCOVERER.

NOAA Ship DISCOVERER in the equatorial Pacific Ocean

Deploying a tower from the ESSA Ship DISCOVERER for mounting solar radiance instruments and other meteorological instruments.

Launching a zodiac to assist in erecting buoy-mounted solar radiance tower in the equatorial Atlantic.

Swimmers assist in guiding solar radiance tower to buoy for mounting and installation.

Swimmers ready to assist in deployment of solar radiance tower.

Deploying solar radiance tower.

Solar radiance tower and instruments mounted to a bottom-anchored spar buoy.

Bottom of spar buoy prior to installation of tower and flooding to bring to vertical position.

Pioneer buoy riders - among the first individuals to be maintaining meteorological buoys anchored far at sea. The solar radiance observation tower on a day of high swell and reduced visibility. Off the ESSA ship DISCOVERER.

Buoy riders in the mist. Off the ESSA ship DISCOVERER.

NOAA Ship DISCOVERER entering the Panama Canal

NOAA Ship DISCOVERER entering the Panama Canal

Even Admirals like to try out new boats. Rear Admiral Ray Moses during initial testing and NOAA acceptance of Rigid Hull Inflatable Boat (RHIB)