WASHINGTON, April 29 (Reuters) - At a summit on Monday, U.S. President Joe Biden and Philippines counterpart Ferdinand Marcos Jr are expected to reach agreements on greater business engagement, as well as "military enhancements" amid shared concerns about China, a senior Biden administration official told Reuters. Marcos is due in the United States on Sunday for a four-day visit that Philippines official say is aimed at reaffirming the special relationship between the Philippines and the United States, which are long-time allies. The senior U.S. administration official said it was impossible to underestimate its strategic importance of the Philippines, although the relationship was more than just about security. "We will roll out some deliverables during the next week that will highlight business engagement but also some military enhancements as well," he said on Saturday. The official said that as part of moves to boost commercial ties, U.S. Commerce Secretary Gina Raimondo would a lead a presidential business delegation to the Philippines.

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