what is the criterion to appoint one army general to Field Marshal level? Does this rank has internationally acceptance if a country appoints a general to Field Marshal?

The criteria for appointing an army general to the Field Marshal rank vary among countries, as it is a rank that each nation has authority to establish independently. Some common factors considered for promotion to this prestigious rank include:

1. Exceptional Military Leadership: Typically, a general needs to demonstrate exceptional competence, leadership ability, and strategic vision throughout their military career.

2. Significant Military Achievements: Field Marshals are often appointed based on their accomplishments and contributions to the military. This could include leading successful military campaigns, implementing innovative tactics, or displaying outstanding performance in critical situations.

3. Extensive Experience: Generals must have a long and distinguished career, often spanning several decades, to be considered for promotion to Field Marshal. This experience is crucial for displaying a deep understanding of military operations and the ability to handle complex challenges.

4. Political Influence: In some cases, political influence and connections can play a role, as appointments to the rank of Field Marshal may involve political considerations or be influenced by government decisions.

Regarding international acceptance, recognition and acceptance of the rank of Field Marshal vary amongst countries. While the rank has historical significance in many nations, its use and acceptance can differ. Several countries, such as the United Kingdom, India, Pakistan, and Bangladesh, use the rank of Field Marshal in their military hierarchy. Other countries may have their own equivalent ranks, or they may not have the rank at all.

The criteria for appointing an army general to the rank of Field Marshal may vary depending on the country. However, in general, the rank of Field Marshal is considered the highest achievable military rank and is usually bestowed for exceptional leadership and significant contributions to the armed forces.

While the specific criteria may differ between nations, some common factors considered for promotion to Field Marshal may include:

1. Seniority: The general should have served for a considerable period of time, often with a distinguished service record, before being considered for promotion to Field Marshal.

2. Performance: The general should have demonstrated exceptional leadership, strategic thinking, and managerial skills throughout their career. They are expected to have achieved outstanding successes or accomplishments in their military service.

3. Obstacles overcome: The general should have demonstrated the ability to overcome difficult challenges, such as leading successful campaigns, overcoming strategic or operational setbacks, or accomplishing significant military objectives.

4. Impact on the armed forces: The general's contributions to the development, modernization, or reorganization of the armed forces may also be taken into consideration.

As for international acceptance, the rank of Field Marshal is not universally recognized or used by all countries. Historically, the rank has been more commonly found in Commonwealth countries, such as the United Kingdom and India. It is important to note that each country determines its own military rank structure and titles, and the acceptance of the rank of Field Marshal will vary depending on the country and its military traditions.