Filipino and American troops take part in another round of live-fire exercises as part of this year's Balikatan. But beyond proving each other's might, officials say these joint drills also put to test the trust built between long-time allies.<br /><br />Senior correspondent David Santos has this report.<br /><br /><br />Visit our website for more #NewsYouCanTrust: https://www.cnnphilippines.com/<br /><br />Follow our social media pages:<br /><br />• Facebook: https://www.facebook.com/CNNPhilippines<br />• Instagram: https://www.instagram.com/cnnphilippines/<br />• Twitter: https://twitter.com/cnnphilippines
