Zbigniew Brzezinski, prominent security and foreign policy advisor of several US presidents, told Radio Polsha that NATO must adopt a hard approach towards Russian provocations.
The Russian military aircraft broke no rules when flying over the American warship “Donald Cook”.
The fighter jet's behaviour
violated the 1972 US-USSR bilateral agreement on the "Prevention of Incidents On and Over the High Seas" (1.usa.gov/24fejRu), . According to White House press
secretary, Josh Earnest, it was also "entirely inconsistent with the professional norms of militaries operating in proximity to each other in international waters and international airspace" (bit.ly/1V1QjiX), .