NASA chose to use these Navy surface ships due to their adaptable capabilities. Portland’s medical facilities provide at-sea support for ground crews and astronauts as needed, and embarked helicopters are poised to aid flight hardware recovery, conduct medical evacuation to shore, and collect imagery.
Portland is equipped with extensive communication suites, enabling the multi-agency landing and recovery team to talk with the flight control team in Texas and NASA’s exploration ground systems team at the Kennedy Space Center in Florida.
“I am extremely proud of our team’s ability to execute a historic moment in history by successfully recovering the Orion capsule,” said Capt. John Ryan, commanding officer of Portland. “Each organization that participated in this mission underwent an extensive amount of training and our ability to work together as a unit demonstrates our adaptability and effectiveness as an amphibious platform.”
Montgomery, a surface warfare mission package LCS, provides flexible surface warfare capabilities like 11-meter rigid-hull inflatable boats (RHIBs) that could serve as surface connectors for ship-to-ship movements, flight hardware retrieval, and to move the capsule from the sea into the ship. The ship’s mission bay is large enough to store the capsule, and the flight deck can support MH-60S/R Sea Hawk helicopters or MQ-8C Fire Scouts. Montgomery was responsible for providing security in the area of operation and served as a back-up source of small boats.
US Navy long history of working with NASA
"Our Navy has a long history of working with NASA spaceflight programs, and the Montgomery crew was truly honored to be a part of this historical partnership," said Cmdr. Edison C. Rush III, commanding officer of Montgomery “The successful capture of the Orion only motivates our crew to continue training and increasing our capabilities as a littoral combat ship.”
Artemis I is the first integrated test of NASA’s deep space exploration systems. Artemis I is the first in a series of increasingly complex missions. It is an uncrewed flight test that will provide a foundation for human deep space exploration and demonstrate our commitment and capability to return humans to the moon and extend beyond.
“We are extremely excited to have worked with the U.S. Navy to accomplish this mission,” said Melissa Jones, NASA Landing and Recovery Director. “For years our teams have trained together for this and could not be happier with how well the recovery mission was executed.”
Portland began early morning efforts to recover the Orion capsule with the launch of four small boats and two combat rudder raiding craft. The small crafts located the capsule in the open ocean, inspected the capsule, and rigged lines to the outside of the capsule to facilitate the movement toward the ship. Aboard those craft were Navy Expeditionary Combat Command’s EODESU-1 divers, who received vigorous training at NASA Johnson Space Center’s Neutral Buoyancy Laboratory.
The highly trained Navy divers are proficient in open water and small boat procedures, adaptable to changing situations, excel at on-the-spot problem solving, and experts at salvage and towing operations. These expeditionary capabilities make them the ideal personnel to assist in the safe recovery and transportation of the Orion capsule from the ocean to Portland’s well deck. Following the launch of the small boats, Navy and NASA personnel rigged tending lines and guided the capsule through the water to Portland. The Orion capsule was then winched into place on the Orion recovery cradle assembly aboard the ship.
Portland and Montgomery are assigned to Expeditionary Strike Group. ESG 3 comprises four amphibious squadrons, 15 amphibious warships, and eight naval support elements including approximately 18,000 active-duty and reserve Sailors and Marines.
As the deputy commander for amphibious and littoral warfare, U.S. 3rd Fleet, the ESG 3 commander also oversees Mine Countermeasures Group 3 and the 14 littoral combat ships and two subordinate divisions under Littoral Combat Ship Squadron 1.
ESG 3 is postured in support of U.S. 3rd Fleet as a globally responsive and scalable naval command element, capable of generating, deploying, and employing naval forces and formations for crisis and contingency response, forward presence, and major combat operations focusing on amphibious operations, humanitarian and disaster relief and support to defense civil authorities, and expeditionary logistics.
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Helicopter Sea Combat Squadron Two Three US Navy NASA National Aeronautics and Space Administration USS Portland ( LPD-27, San Antonio class ) USS Montgomery ( LCS-8, Independence class ) 
