ADVANCED FOR USE SUNDAY FEB. 3 AND THEREAFTER FILE - In this Aug. 22, 2012 file photo released by the U.S. Marine Corps on Wednesday Aug. 29, 2012, Staff Sgt. Travis A Jakovcic, a UH-1N Huey crew member with Marine Light Attack Helicopter Squadron 467 (HMLA-467) looks back at another aircrew during takeoff at the Guatemalan Air Force Base at Retalhuleu, Guatemala. The detachment conducted a mission rehearsal exercise prior to operations beginning in Guatemala. A team of 200 U.S. Marines and four UH-1N Huey helicopters has begun patrolling Guatemala’s western coast this week in what a military spokesman says is an unprecedented operation, code named Operation Martillo, to beat drug traffickers in the Central America region. (AP Photo/U.S. Marine Corps, File)

Associated Press
ADVANCED FOR USE SUNDAY FEB. 3 AND THEREAFTER FILE - In this Aug. 22, 2012 file photo released by the U.S. Marine Corps on Wednesday Aug. 29, 2012,  Staff Sgt. Travis A Jakovcic, a UH-1N Huey crew member with Marine Light Attack Helicopter Squadron 467 (HMLA-467) looks back at another aircrew during takeoff at the Guatemalan Air Force Base at Retalhuleu, Guatemala.  The detachment conducted a mission rehearsal exercise prior to operations beginning in Guatemala.  A team of 200 U.S. Marines and four UH-1N Huey helicopters has begun patrolling Guatemala’s western coast this week in what a military spokesman says is an unprecedented operation, code named Operation Martillo, to beat drug traffickers in the Central America region. (AP Photo/U.S. Marine Corps, File)
ADVANCED FOR USE SUNDAY FEB. 3 AND THEREAFTER FILE - In this Aug. 22, 2012 file photo released by the U.S. Marine Corps on Wednesday Aug. 29, 2012, Staff Sgt. Travis A Jakovcic, a UH-1N Huey crew member with Marine Light Attack Helicopter Squadron 467 (HMLA-467) looks back at another aircrew during takeoff at the Guatemalan Air Force Base at Retalhuleu, Guatemala. The detachment conducted a mission rehearsal exercise prior to operations beginning in Guatemala. A team of 200 U.S. Marines and four UH-1N Huey helicopters has begun patrolling Guatemala’s western coast this week in what a military spokesman says is an unprecedented operation, code named Operation Martillo, to beat drug traffickers in the Central America region. (AP Photo/U.S. Marine Corps, File)