Indonesia can't support military cooperation with Australia this week, as the two regional powers look set to bash heads yet again. Naturally many wondered if this could be the start of military action between the two countries. The court in Indonesia really posed a threat to Australia. Well, no, and the notion of an Indonesian invasion is ridiculous, being described by the former Indonesian President as preposterous. Even this week, the Indonesian armed forces chief general called his Australian counterpart his best friend. Indeed, while politically Indonesia or Australia are sometimes very much at odds, the human person to person connections of both militaries are generally very positive. Generals and animals from both countries regularly die with each other and a great respect is afforded among their troops. The Indonesian Special Forces are even trained in Perth by the Australian SAS, which is incidentally where this incident arose from. With this rivalry, which is seen direct and indirect military action in the 1960s and in 1999, with 19 Australian casualties and hundreds of Indonesian casualties, has a lot of salience with people. Let's entertain the scenario for a second. Indonesia has a population of 250 million, which dwarfs Australia's population of only 24 million, and its armed forces have 400,000 troops, much larger than the 100,000 active and reserved troops Australia can draw from, funny about half of those being active to disolge as sailors and amund. Even though a bigger army diplomacy should work for them, the problem for Indonesia is that invading Australia would be likely a pastor trying to invade England. They have no logistical capability of traversing the sea between them. In fact, they lack the naval capability to reliably traverse the waters of their own nation. They also lack ships like Ksia Maks, Canberra and Hsia Maks Adelaide, which can transport thousands of soldiers, tons of cargo and lots of aircraft. 400,000 troops is a big number, but they're harmless if they can't find you. Even their Air Force is composed of Australian hand-me-downs, like 4C-130s, which were gifted in 2011, and years later more Hercules aircraft will this time sold, what the Australian subscribers made straights to Indonesia. They also like air air refueling capacity, which would be required to get their troops to the southern parts of Australia where the people and last things are. Australia does not lack this capacity and is actually the party responsible for all the air air refueling in Syria. What the Australians lack in numbers, they make up for money. Australia does spend $50 billion by being a new fleet of long-range submarines, and is spending tens of billions making a new fleet of Hobart class destroyers. This is on top of a military budget of $23 billion US dollars, with Indonesia's only being $8 billion. And this spending is forecast almost double over the next decade. Australia undergoes what has been described as one of the biggest naval expansion since World War II. Let's take the Indonesians' naval inability to read thousands of troops and take Australia's air-enabled superiority out of the question, and pretending Indonesia magically lands its soldiers on the Australian coast. What then? Well, they'll surely die of starvation or give up. Most of Australia's population is located far from the reach of a marching Indonesian army, and army would have to traverse thousands and thousands of kilometers of inhospitable terrain that is extremely hot during the day and much, much cold of an Indonesian winter in life. There's no water, there are really no chance to pillage, and the roads that aren't dirt tracks are only very simple and calm land heavy aircraft, and the animals would be annoying at best and deadly at worst. In fact, you would say the biggest reason why an Indonesian invasion, or frankly any invasion of Australia would fail is not because of its military, but the fact that even to one of its closest neighbours is still too far away.