 Some F-14Ds were upgraded in 2005 with a ROVER III Full Motion Video (FMV) downlink, a system that transmits real-time images from the aircraft's sensors to the laptop of Forward air controller (FAC) on the ground.The F-14 Tomcat was designed as both an air superiority fighter and a long-range naval interceptor, which enabled it to both serve as escort attack aircraft when armed with Sparrow missiles and fleet air defense loitering interceptor role when armed with Phoenix missiles.The F-14 was designed with a two-seat cockpit with a bubble canopy which affords all-around visibility aiding aircrew in air-to-air combat.