For decades, the Boeing F/A-18 Super Hornet fighter jet has been a staple in the skies for the air defense forces of the United States and some of its allies. But, after serving those nations brilliantly for all those years, the wear-and-tear accumulated during its operation has meant that some countries have been contemplating replacing their fleet. Recent upgrades to the F/A-18s are turning the tide, promising significant improvements in performance and lifespan. Given escalating geopolitical tensions, nations may clamour for the new F18 Super Hornet. Here's why.