On being spotted , the commanding officer of U-732 ordered that the submarine be scuttled , but before the submarine sank , Douglas attacked with 10 more depth charges .
After dark , U-732 attempted to escape on the surface but was spotted by an aircraft .
On being spotted , the commanding officer of U-732 ordered that the submarine be scuttled , but before the U-732 sank , Douglas attacked with 10 more depth charges .
After dark , U-732 attempted to escape on the surface but was spotted by an aircraft .