What does the war plans additive report (WPARR) authorize?

The War Plans Additive Report (WPARR) specifically pertains to the authorization of additional resources needed to support military operations during contingency planning. In this context, the correct choice is the authorization of vehicles. The WPARR outlines the necessary vehicles that units may require to fulfill their operational roles effectively, ensuring they are properly equipped to carry out missions.

Vehicles play a critical role in military logistics, enabling the movement of troops, equipment, and supplies to and from the battlefield. By authorizing specific vehicle allocations, the WPARR supports the overall readiness and capability of military forces to respond to various scenarios.

While personnel allocations, medical supplies, and maintenance equipment are also important elements of logistical planning, they are typically managed under different logistical reports and systems that focus specifically on those areas. The WPARR's focus on vehicles underscores the importance of mobility and transportation in executing military strategies.