Singapore's Military May Be Small, But It's Ready To Kill As a small, but rich, city surrounded by bigger powers, Singapore takes its defense seriously. Here's What You Need to Know: This city-state is ready to fight. Despite its small geographical size, Singapore fields one of the most advanced and well-equipped militaries in South East Asia. It spends more on its military than any of its neighbors. Being a tiny city-state, one of the strongest arms of the Singaporean military is the Republic of Singapore Air Force. But how does it stack up against its neighbors, from the small to the big? Does Western tech really provide the level of advantage it needs to defend itself?