Republican leaders pulled votes on the defense spending bill after failing to secure Freedom Caucus support, teeing up a possible shutdown next month.
The bill grants the White House request for $7.5 billion in military assistance to Ukraine and another $4.5 billion in economic support.
The schism within the GOP raises questions about Congress' ability to keep funding Ukraine aid if Republicans win the majority.
Fewer than 50 airmen have sought permission to fly while pregnant since 2019, Air Force Times has learned.
