Which type of round is identified by olive drab color with yellow markings?

The round identified by olive drab color with yellow markings is indeed the M888. The olive drab coloration generally signifies that the round is a full-metal jacket projectile designed for various training and combat applications. The yellow markings specifically indicate that this round is intended for training and not for use in combat situations, as the colors convey important information about the round's purpose and specifications.

In the context of ammunition, the color coding is a crucial aspect for identification and safety, allowing users to quickly ascertain the nature of the round in different environments, particularly during training exercises where the distinction between practice and live rounds is essential for safety and operational effectiveness.