The US Department of State has approved the sale to Poland of 116 M1A1 Abrams main battle tanks and related equipment at an estimated cost of USD 3.75 billion, the Pentagon's Defense Security Cooperation Agency (DSCA) announced on Tuesday.
Poland has taken delivery of the first of hundreds of main battle tanks and howitzers from South Korea.
A framework agreement for the delivery of elements for US and Korean multiple launch rocket systems (MRLS) was approved on Wednesday by Poland's defence minister.
Poland's defence minister said on Wednesday he had taken the decision to construct a barrier on the country's eastern border with the Russian exclave of Kaliningrad with work set to commence on the same day.
The Polish defence minister has said that the Polish Army must be strong in order to be able to respond to threats and that Poland's record-high military spending is an investment in the country's security.
Poland does not assume a return to the national draft as there is no need for it and young people can be attracted to military service by good prospects and programmes, the defence minister has told a daily paper.
The defence minister has said that Poland has been consistent in building Nato's resilience by means of developing its own army and through its regular training exercises.
The US Air Force's F-22 Raptor fighters will participate in a Nato Air Shielding mission over the Alliance's eastern flank, Poland's defence minister wrote on Twitter on Thursday.
Mariusz Blaszczak, Poland's defense minister, has received a letter from his Germany counterpart on what Poland feels is a broken promise from Berlin to replenish Poland's tank supply, a German daily has reported.
Poland will buy tanks, artillery and aircrafts from South Korea, the Polish defence minister said on Friday.