The Navy plans to receive the first Boeing [BA]-built Orca Extra Large Unmanned Undersea Vehicle (XLUUV) this summer, a Navy program office leader said this week.
The first vessel, dubbed XLE-1, has been built and is being tested in the water at Boeing’s Huntington Beach, Calif., facility and is “about to deliver this summer,” Rear Adm. Kevin Smith, Program Executive Officer for Unmanned and Small Combatants, said on May 7 during the International Mine Warfare Technology Symposium.
Smith confirmed four more Orcas are on the way over 1-1.5 years and that while there are many potential payload opportunities for the vessel, “the sole purpose right now…is clandestine mines.”
“We’re just beginning to explore what else the Orca can do and the capabilities that can be offered. So we’re looking forward to getting XLE-1 delivered and then the additional four in the next year, year and a half and then getting those out and continue to learn from the XLUUV.”
Speaking during the same event, Capt. Matt Lewis, manager of the Unmanned Maritime Systems office (PMS-406), said they are trying to focus on delivering a “holistic capability,” beyond just the baseline Orca vehicle itself.
Lewis repeated Smith’s note on seeking more payloads and while he did not describe what they could be, they are developing them and “looking at in the future what additional capability can we bring to these vehicles.”
XLE-1 was preceded by the initial engineering and development model for risk reduction testing, XLE-0. Boeing delivered this first model in late 2023 (Defense Daily, Dec. 20, 2023).
Lewis said XLE-0 has logged 1,274 hours of powered testing in seawater as well as 183 hours with 505 nautical miles of autonomous sailing.
“So big advancement, big accomplishments for a first of its kind vehicle,” he said.
Last November, Boeing announced XLE-1 finished a 48-hour endurance sailing run, operating autonomously below the surface and surfaced multiple times to recharge its battery (Defense Daily, Nov. 6, 2024).
Then, during a December visit to Boeing’s California facility by former Chief of Naval Operations Adm. Lisa Franchetti, the Navy said XLE-1 was set to be delivered in early 2025 (Defense Daily, Dec. 10).
At the time, the Navy said XLE-1 was undergoing a period of contractor pierside and at-sea testing, followed by Navy Developmental and Operational Testing (DT/OT). The service said the DT/OT was expected to last through the third quarter of fiscal year 2025. The third quarter for the federal government runs through June, which may be in line with Smith’s statements.
The five Orcas ordered by the Navy were originally funded in FY 2029, but the service later had to push back the schedule in the FY 2025 budget request due to several delays (Defense Daily, March 19, 2024).
A 2022 Government Accountability Office report warned Orca was behind schedule and more expensive than planned due to poor business planning. This was primarily focused on how the Navy did not require Boeing to demonstrate how ready it was to adapt the base civilian Echo Voyager model to the Navy configuration needs. The Navy changes to the UUV’s battery forced Boeing to get a new subcontractor, among other issues (Defense Daily, Sept. 29, 2022).
Relatedly, Lewis also said the Navy also planned to ultimately look into additional payloads for the smaller submarine-launched UUV focused on minelaying, the Medusa.
In September 2024, the Navy awarded General Dynamics [GD] a $58 million contract to develop and build Medusa to replace similar older systems (Defense Daily, Oct. 23, 2024).
He said they are getting going, working on initial design and risk reduction testing for Medusa.
That system is constrained by the size of the torpedo tube, but they are hoping the program will deploy a system with longer range and autonomous delivery of mines.
“Then potentially in the future, delivering additional capability and additional payloads with those.”
The Navy does not plan to recover Medusa from the torpedo tubes because it will be expendable once all clandestine mine payloads are deployed.