Player Embed Code: Download Embed Share VMFA-121 F-35B flight operations at Andersen Air Force Base, Guam F-35 Joint Program Office Jan. 28, 2025 | 0:09 Pit StopF-35B Lightning II aircraft with Marine Fighter Attack Squadron (VMFA) 121 perform flight operations at Andersen Air Force Base, Guam, in support of the Aviation Training Relocation Program.The F-35 Joint Program Office is the Department of Defense's focal point for the 5th generation strike aircraft for the Navy, Air Force, Marines, and our allies. The F-35 is the premier multi-mission, 5th generation weapon system. Its ability to collect, analyze and share data is a force multiplier that enhances all assets in the battle-space: with stealth technology, advanced sensors, weapons capacity, and range. The F-35, which has been operational since July of 2015, is the most lethal, survivable, and interoperable fighter aircraft ever built.