No matter how fast weapons and technology evolve in the 21st century, one thing remains constant is that war is a human endeavor, a grueling contest between two learning and adaptive forces. Victory, therefore rests on how smart, how tough, and how dedicated our boots on the ground.
In carrying out a peacekeeping mission where the grand strategy is to maintain peace and order by persuading armed parties or other hostile elements to back away from aggressive activities, military strength is not a definite measure of success; neither could material contribution alone guarantees the winning of the hearts and minds of the people. What appears to be important is the day-to-day conduct of the peacekeepers on the ground; those who uphold the principles of neutrality and impartiality, as well as those who are able to carry all aspects of its operational duties exceptionally.
In the future, we should anticipate seeing more hybrid wars where conventional warfare, irregular warfare, asymmetric warfare, and information warfare all blend together, creating a very complex and challenging situation to the combatants; therefore it will require military forces to posses hybrid capabilities, which might help deal with hybrid threats.
In the era of globalization, everything is interconnected. A problem in one part of the world will definitely impact on other parts of the globe. Such phenomenon is also valid for defense and security context. A conflict in a state will bring implications in its neighboring countries or other countries extended in the same region. Therefore, collaborative efforts in tackling common defense and security problems are essentially required.