When the United States first fired a missile from an armed Predator drone in Afghanistan on November 14,2001, it was clear that warfare had forever changed. During the two decades that followed, drones became the most iconic__16__ of the war on terror. Highly sophisticated, multimillion-dollar US drones were repeatedly used in targeted killing campaigns. But their use worldwide was__17__ powerful nations. Then, as the navigation systems and wireless technologies in hobbyist drones and consumer electronics__18__ , a second style of military drone appeared—not in Washington, but in Istanbul. And it caught the world’s __19__ in Ukraine in 2022, when it proved itself capable of holding back one of the toughest militaries on the planet. The Bayraktar TB2 drone, a Turkish-made aircraft from the Baykar corporation, marks a new __20__ in the still-new era of drone warfare. Cheap, widely available drones have changed how smaller nations fight modern wars.

        Is your glass half-empty or half-full? How you answer this age-old question about positive thinking may reflect your outlook on life, your attitude toward yourself, and whether you're optimistic or pessimistic, and it may even affect your health. Indeed, some studies show that personality traits such as optimism and pessimism can affect many areas of your health and well-being. The positive thinking that usually comes with optimism is a key part of effective stress management. And effective stress management is associated with many health benefits. If you tend to be pessimistic, don't despair. You can learn positive thinking skills.

       Positive thinking doesn't mean that you ignore life's less pleasant situations. Positive thinking just means that you approach unpleasantness in a more positive and productive way. You can learn to turn negative thinking into positive thinking. The process is simple, but it does take time and practice. If you want to become more optimistic and engage in more positive thinking, first identify areas of your life that you usually think negatively about, whether it's work, your daily commute, life changes or a relationship. You can start small by focusing on one area to approach in a more positive way. Think of a positive thought to manage your stress instead of a negative one. Also, aim to exercise for about 30 minutes on most days of the week. Exercise can positively affect mood and reduce stress. Follow a healthy diet to fuel your mind and body. Get enough sleep. And learn techniques to manage stress. Next, surround yourself with positive people. Make sure those in your life are positive, supportive people you can depend on to give helpful advice and feedback. Negative people may increase your stress level and make you doubt your ability to manage stress in healthy ways. Finally, practice positive selftalk. Start by following one simple rule: Don't say anything to yourself that you wouldn't say to anyone else. Be gentle and encouraging with yourself. If a negative thought enters your mind, evaluate it rationally and respond with affirmations of what is good about you. Think about things you're thankful for in your life.