From Brazil to India to Egypt, the BBC asked people across the world what they think of America today.
As the US marks 250 years since independence, the BBC asked people in Brazil, Egypt, India, Australia, Canada and the UK what they think of America today, revealing a mix of admiration, criticism and reflection of its place in the world.
Video by Eloise Alanna, Paulo Koba, Kellie Highet, Mahmoud elNaggar, Mohamed Kamel, Vinnie O'Dowd, and Kapil Joshi.
Explosions have been reported by Iranian state media in parts of the country's south.
Nato's secretary general insists there is "unity" among Nato members, but the BBC's security correspondent asks if that is really the case.
Although the Patriots are highly effective against Russia's ballistic missiles, they also have lengthy production times.