ph.
ground troops who are on active service in a military operation
Oxford Dictionary
ph.
ground troops who are on active service in a military operation
Oxford American Dictionary
ph.
exist in large numbers or amounts
Oxford American Dictionary
ph.
exist in large numbers or amounts
Oxford Dictionary
ph.
exist in small numbers or amounts
Oxford Dictionary
ph.
exist in small numbers or amounts
Oxford American Dictionary
ph.
become part of an enterprise in its early stages
Oxford American Dictionary
ph.
join an enterprise in its early stages
Oxford Dictionary