Complex sentence: The vehicle to the right is an American Marine corp Lav-25 that was used during the trials, the major visual differances include no gaurd around the marine drive, a longer exhaust and an elongated exhaust.
Split into simpler sentences: The vehicle to the right is an American Marine Corp LAV-25 that was used during the trials. The major visual differences include no guard around the marine drive, a longer exhaust and an elongated exhaust.