Poland's defense minister said Tuesday that high-level talks with Washington this week will be crucial in determining whether his country will allow the US to set up a missile defense base on its territory. Bogdan Klich said on state radio 3 that experts will discuss the plan on Wednesday and high-level political negotiations will take place on Friday. Both meetings will be held in Warsaw. "You can count on this week being key for the outcome of our talks," Klich said. "The Americans know what our expectations are." Poland is demanding US help in upgrading its military in exchange for agreeing to locate 10 missile interceptors in the country. The US program also foresees placing a radar system in neighboring Czech Republic. Washington says the system is necessary to protect its European allies from possible future attacks from Iran.