The US Navy recently put on a once-in-a-decade show of force, with three US aircraft carriers operating side by side in the Pacific Ocean just a few hundred miles from North Korea.
The exercise added emphasis to President Donald Trump's trip to Asia, where he spoke to heads of state about the need to crack down on North Korea and to enforce international law in the South China Sea.
The US's budget includes more money for naval readiness.
Trump described the military as "getting stronger" due to increased funding.
"It's been depleted and now it's growing very fast," Trump said..