ANKARA, July 7. /TASS/. US President Donald Trump said he does not view Turkey’s earlier purchase of S-400 air defense systems from Russia as an obstacle to a potential contract to sell US-made F-35 fighter jets to the country.

Trump said the contract is "something certainly we consider."

"We have a better relationship with Turkey, and Turkey has been in many ways much more loyal than other countries that we think would be loyal," Trump added.

He reiterated that he would probably refuse to take part in the summit if it were not held in Turkey.

"I was very disappointed with NATO, and frankly, if it weren’t held in Turkey, where my friend happens to be a very strong leader, a very strong person, it’s possible that I wouldn’t have attended," Trump said.