While precise data is classified, publicly available information suggests the US has used up many difficult-to-manufacture weapons.
Related stories
Japanese families ask Trump to raise abduction issue in possible talks with Kim
Germany, Netherlands and France: New European managers make their debuts
Trump-Xi summit: Here’s what’s on the agenda, and why it matters
Gaza $2.45 billion reconstruction plan. Who decides its future?
Greek PM: deal to return Parthenon marbles could still be reached with ‘political will and courage’
‘Cash to trash’ levy on house developers too low to offset damage to Norfolk Broads, say critics