Complex sentence: Two Vietcong operatives detonated a car bomb underneath the hotel, which housed United States Army officers; the explosion killed two Americans, an officer and an NCO, and injured approximately 60, including military personnel and Vietnamese civilians.
Split into simpler sentences: Two Vietcong operatives detonated a car bomb underneath the hotel, which housed United States Army officers. The explosion killed two Americans, an officer and an NCO, and injured approximately 60, including military personnel and Vietnamese civilians.