“We believe that this system will remain within the definition of defensive weapons, but will allow the defending force to better defend the skies,” Defense Secretary Ben Wallace said.
The detailed design and systems integration planning process for the Polish frigates is expected to conclude later this year, with construction starting next year and completion of the first ship in 2028.
Britain's financial watchdog said the government's spending figures suggest the Tempest program, a sixth-generation fighter jet, could be underfunded by as much as £8.4 billion, or $11.4 billion.
The envisioned radio frequency system antenna is designed to prove capabilities such as locating static or moving targets and denying external surveillance technology.
“We are setting ourselves a challenge to become a global leader in hypersonic weapons," Adm. Sir Ben Key told an audience of industry executives and Royal Navy officials.
Ben Wallace will add the Russian capital to a list of visits that has seen him shuttle between London, the Netherlands, NATO headquarters, Germany, Hungary, Croatia and Slovenia in recent weeks.