India, July 8 -- President Donald Trump arrived in Ankara Tuesday afternoon for the NATO summit, as the transatlantic military alliance was announcing billions in arms deals in an attempt to appease the mercurial US leader.

Trump was expected to head first to the presidential compound of Turkish leader Recep Tayyip Erdogan, a close ally who is hosting this year's gathering. Just before Air Force One touched down in Ankara, NATO showcased a series of military projects worth billions of dollars - an investment that the alliance's secretary-general, Mark Rutte, called "money well spent."

An energised Rutte was speaking to Government ministers and defence industry officials at a forum billed as NATO's "big reveal," to the thrum of techno mu...