Military

We traveled to the US Army Field Artillery School in Fort Sill, Oklahoma, to see what soldiers go through in their advanced individual training.

Located 90 miles southwest of Oklahoma City, Fort Sill is one of the 20 largest military installations in the world. It covers over 93,000 acres, and over 13,000 active-duty personnel are stationed at the base.

America has pledged over $175 billion in aid to Ukraine since Russia invaded, which includes over $100 billion in military spending. That includes shells, tanks, rockets, cannons, anti-tank weapons, drones, and missile defense systems worth $1 billion each. So which weapons have proven most critical on the battlefield?

It can transform from helicopter to airplane in seconds, providing a vital role for the US military by ferrying troops in and out of combat zones.

But the V-22 Osprey has also caused the deaths of 62 service members. A crash in Japan last year grounded the entire fleet.