Sport utility vehicle body and tall interior packaging, a high seating position and center of gravity, and available all-wheel drive for off-road capability. Some SUVs include the towing capacity of a pickup truck with the passenger-carrying space of a minivan or large sedan. The traditional truck-based SUV is more and more being supplanted by unitary body SUVs and crossovers based on regular automobile platforms for lighter weight and better fuel efficiency. In some countries, notably the United States, SUVs are "not" classified as cars, but as "light trucks". SUVs overtook lower medium segment cars to become the world's largest automotive segment in 2015,
Full operational capability This does not preclude additional orders to obtain the item outside that contract or after that contract FOC. Full operational capability In military acquisition, full operational capability (FOC) is the completion of a development effort. For the United States Department of Defense military acquisition FOC is defined as ""in general attained when all units and/or organizations in the force structure scheduled to receive a system have received it and have the ability to employ and maintain it. The specifics for any particular system FOC are defined in that system’s Capability Development Document (CDD) and Capability Production Document (CPD)"." FOC is