The P-3C Orion employs two types of sonobuoys: Initially a Maritime Patrol Aircraft (MPA), the P-3 Orion has evolved into a land-and-sea patroller, thanks to the Anti-surface Warfare Improvement ...

Argentina's Defense Ministry agreed to purchase four long-range Lockheed Martin P-3 Orion aircraft from Norway at a cost of US$ 67 million to increase the South American country's patrolling ...