While the US has the most powerful military machine in history, it is also incomparably the most expensive – and members of Congress work aggressively to maintain it.
New Zealand's coalition government has to balance strong martial and pacifist traditions. But ageing equipment and climate change will require taxpayers to fund expensive upgrades for the military.
Trump claimed that 'we would be punishing ourselves' by using US arms sales to Saudi Arabia as a bargaining chip over the disappearance of Khashoggi. A look at the arms trade shows why he's wrong.
Both before, during and after conflict, wars have shaped the creation of welfare states.
Millennials are less inclined than older Americans to intervene abroad, maintain superior military power or believe the US is an exceptional nation. What does that mean for the country's future?
A historian takes us beyond the noise in Washington and examines how US and Russian power and interests compare.
The most expensive defense program in world history has yielded a multi-role fighter plane that is an inelegant jack-of-all-trades, but master of none.
The outcome of this election may depend more on what we make of it than on what Trump and his advisers intend. Though daunting, the challenge is pregnant with possibilities.
After the Somme the British army was supplied with vastly more firepower than before. This would decide the course of this war.
Submarines possess a number of unique capabilities that make them ideal to protect Australia's interests.
Budgets were decimated in 2010, but the latest Strategic Defence and Security Review seeks to make amends.