"heading to war" is a correct and usable phrase in written English.
You can use it when you want to refer to a situation that is escalating to warfare, or when a group or nation is preparing to engage in warfare. For example, "With tensions rising, the two countries were heading to war."
For troops heading to war, it was a revelation.
I didn't know what he meant when I was 20 and heading to war.
In the summer of 2002, it was clear we were heading to war.
Given the copious news leaks and op-ed skirmishes of the past six months, nobody could argue that if people only knew what kind of policy arguments were taking place inside the Administration we wouldn't be heading to war.
We think, for a moment, that she is heading to war, but she is really preparing to participate in a reality television show, something in the vein of "Survivor" and that she hopes will make her famous.
A podiatrist who rented his Queens office space from Trump's dad, Fred, helped Donald Trump avoid heading to war in Vietnam as favor to Fred, said the doctor's daughters who spoke with the New York Times.
Militants with suspected links to al-Qaeda have been heading to war-torn Syria from many other countries since fighting broke out in 2011.
Militants with suspected links to al-Qaeda have been heading to war-torn Syria from many countries since fighting broke out in 2011.
In discussing Iraq, the president told reporters, "I hope we're not headed to war".
The groom was about to head to war, and there was to be no honeymoon, so the hotel sent a full meal home with the couple.
The ruse was part of a bipartisan pattern of deception for the sake of security engaged in by both of the last two presidents to cover their tracks as they headed to war zones.
