CALFEX Begins with Philippine HALO Jumps Philippine army special forces soldiers conduct a high altitude low opening jump from a U.S. Marine Corps KC-130J Hercules during a combined arms live-fire exercise for Balikatan 2014 at Crow Valley, Philippines, May 15, 2014. 2018 marked the 34th iteration of the annual bilateral training exercise. Marine Corps photo by Lance Cpl. Allison DeVries. SHARE IMAGE: Download Image: Full Size (4.71 MB) Photo By: Marine photo VIRIN: 140515-M-MN153-011.JPG Photo Gallery