After a month, in which the Eleventh Air Force units on Shemya and Attu concentrated on attacking Kiska and forcing the Japanese to withdraw from the island, the next mission against the Kuriles was flown on 11 September 1943.
Subsequent installation of another AN/FPS-17 radar on Shemya, a western island in the chain of Aleutian Islands off Alaska, made it possible for U.S. observers to monitor Soviet missile test flights to the Kamchatka peninsula.