U.S. Navy Doctors Join Brazilian Hospital Ship Mission along Amazon River

The U.S. and Brazilian doctors supported the medical mission for local populations.
By MC1 Byron C. Linder & U.S. 4th Fleet Public Affairs | 19 March 2019

Capacity Building

Brazilian Navy First Lieutenant Livia Laura, left, and U.S. Navy Commander Edmund Milder, right, examine a young patient during a visit to the Heraclio Emiliano Moda medical clinic in Axinim, Brazil, February 6, 2019. The visit marks the first stop of a month-long combined riverine mission aboard Brazilian Navy Oswaldo Cruz-class hospital ship NAsH Carlos Chagas (U 19) to exchange medical expertise and to bring medical care to isolated communities along the Amazon River. (Photo: U.S. Navy Mass Communication Specialist 1st Class Byron C. Linder)

On February 4, 2019, Brazilian Navy Oswaldo Cruz-class hospital ship NAsH Carlos Chagas (U 19) departed Manaus, Brazil. Four U.S. Navy physicians embarked to work alongside their Brazilian Navy counterparts and deliver medical care to a series of small villages peppering the coastline of the Amazon River over the course of one month.

U.S. Navy Lieutanant Commander John Roman examines a young patient during a visit to the Heraclio Emiliano Moda medical clinic in Axinim, Brazil, February 6, 2019. (Photo: U.S. Navy Mass Communication Specialist 1st Class Byron C. Linder)

Within 20 minutes of departure, the demarcation between Manaus’s harbor and the Amazon River became clear. In the deep blue water, patches of dark tan began to emerge –sediment from thick sandbars and the steady erosion of the riverbanks. Floating patches of bright green grass appeared, thriving on the current’s steady delivery of rich minerals.

Thick logs floated by, their bark stripped, and wood polished to a dark shine by the water. As the sun set behind the clouds, the view of the coastline became visible only in the periphery, with the brown water asserting its place as the dominant visual element.

Since October 2018, Brazilian Navy Lieutenant Diego Abreu serves as Chagas’s deck and weapons officer. This mission marks his fourth on the Amazon River, and navigating it is an ever-changing challenge. A team of 10 Brazilian Navy sailors, who use both instrumentation and watch standing to ensure safe passage, supports him.

“The main challenge is the restricted area we’re navigating in. Sometimes there’s another ship coming, and we don’t have the depth to move to the side,” he said. “This time, we are moving up the river, against the current. We have to stay really close to the forest, and that’s dangerous sometimes, but we have to maintain speed to get to our mission stops”.

A cursory look outside the ship illustrates how restricted this maneuvering is –Brazilian residents who live on the riverbanks can easily be spotted waving to personnel standing outside the skin of the ship. This type of constant navigational discipline, Lt. Abreu noted, requires specialized training.

“Normally the main navigation training we get is for the open ocean. When we arrive to Manaus is when we get river navigation training,” he explained.

Lt. Abreu’s team rotates between the pilothouse two decks up from the main level and the forward and aft portions of the ship. “On the bridge, my duty is to work with the operations and engineering departments, but my team is focused entirely on the deck operations,” he said.

The crew uses navigational charts; however the information they contain can be outdated within hours, which Lt. Abreu identified as another challenge. “We make notes and pass them on to other ships who will navigate this area. They can use those notes to navigate more safely,” he said. 

Natural debris such as logs and rocks in the river presents a constant hazard, and at night, a large spotlight operated from the bridge constantly illuminates Chagas’s path forward. With no sonar navigation, an “ecobatimetro” is the only instrument Chagas has to measure depth –and this depth changes rapidly depending on where in the Amazon the ship is. 

U.S. Navy Lieutenant John Sullivan and Lieutenant Commander Robert Lennon, two of four U.S. Navy doctors on the Brazilian Navy ship NAsH Carlos Chagas (U19), converse with Brazilian Navy Captain Hilcelio Freitas, as the Oswaldo Cruz-class hospital ship enters the Amazon River to commence a combined month-long humanitarian mission, February 4, 2019. (Photo: U.S. Navy Mass Communication Specialist 1st Class Byron C. Linder)

Despite the navigational challenges it encounters, Chagas was built to be a river hospital ship. This is unique to the Brazilian Navy’s fleet of five ships designated as such.

Brazilian Navy Captain Hilcelio Freitas, commander of the Chagas, assumed command just one week prior to departing Manaus. However, his familiarity with the ship started in 2010 when he served as Chagas’s chief engineer for two years.

“I learned a lot of very important things when I was here about the ship. It made me very happy when I received the news that I was going back to Manaus to be the captain,” he said. “This is a very important mission, to bring help to people in these communities. These people need a lot of this kind of help.”

Capt. Freitas highlighted the Chagas’s flight deck as one of its key capabilities, which can be used for emergency medical evacuations. “The transfer ability lets us work very fast,” he said. “We can provide everything the rest of the hospital ships can, and more.”

U.S. Navy Lieutenant Commander Robert Lennon, the U.S. team lead, concurred with Capt. Freitas’ statement to a degree. Having served on back-to-back missions in Brazil aboard another hospital ship in 2018, he was quick to praise Chagas’s capabilities.

“(Freitas) is being modest. There’s better equipment here—a new X-ray machine here, a new ultrasound machine. This is a true hospital ship,” he said. “It’s really nice to see this, and the integration with the Brazilian Navy is outstanding. It’s critically important to be able to, both, work together and deliver this humanitarian assistance.”

Brazil’s history of bringing humanitarian assistance to communities along the Amazon River dates back 70 years to 1949, noted Brazilian Navy First Lieutenant Gilvan Martins, a general medical officer performing his internship. At that time, the Brazilian Navy was charting the Amazon River, and the visiting sailors saw the people living in the communities along the riverbank were in need. The first Oswaldo Cruz-class hospital ship would not be built for another 35 years, so these ships made use of what was available on board.

“The ships would set aside food to give to them, and invite them aboard to take a shower and give some basic care. We had an opportunity to do something different. I think Brazil is one of the first countries to do this kind of hospital assistance,” he said. “This mission is very challenging and some of the areas are very hard to access in general. We have a lot of infectious disease in these communities, and it’s very good to be a part of this assistance.”

The Brazilian Riverine Mission is a joint effort between U.S. Naval Forces Southern Command/U.S. Fourth Fleet (NAVSO) and the Brazilian Navy’s Ninth Naval District, whose mission is to provide care to local populations, build medical interoperability in support of joint humanitarian and disaster relief missions, and exchange medical knowledge. This is the third mission of its type and serves as a platform to expand the U.S. Navy’s tropical medicine training opportunities, which will ultimately combine training at the Tropical Medicine Institute in Manaus, followed by a joint medical mission within the Amazon River basin.

“These types of missions are a win-win for everyone,” said U.S. Navy Capt. William Scouten, NAVSO fleet surgeon. “We [U.S. Navy] get to experience medical practices and scenarios that we might not see here in the [United] States, and the more junior Brazilian medical providers are afforded the opportunity to be mentored by senior medical officers and use equipment they might not otherwise have been able to.”

For more information, visit www.public.navy.mil/comusnavso-c4f, on Facebook at www.facebook.com/NAVSOUS4thflt, or on Twitter at www.twitter.com/navsous4thflt.

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