When they moved onto the topic of radar, the British team was surprised to learn that the US was in the process of developing two systems similar to their own existing Chain Home, the Navy's CXAM and the Army's SCR-270.
The British team was surprised to learn that the US was in the process of developing two systems similar to their own existing Chain Home. The British team was surprised to learn that the US was in the process of developing the Navy's CXAM. The British team was surprised to learn that the US was in the process of developing the Army's SCR-270. They moved onto the topic of radar.