The troops rushed back onto the chopper and took off - but a head count showed one man was missing.

士兵们迅速回到直升机上，起飞了，但清点人数后发现一人失踪。

《柯林斯英汉双解大词典》

S. troops Friday. Two soldiers are still missing, a third is dead.

在该次袭击中，有2名士兵目前仍在搜寻中，一名已宣布死亡。

youdao

The troops were conducting an operation to find two missing U.S.soldiers who are believed to have drowned.

VOA: standard.2009.11.07

Bush, returning to the White House from a weekend at Camp David, Maryland, said the United States would continue to search and pray for remaining missing troops.

CNN: Marines rescue seven U.S. prisoners of war

Two Turkish troops are still missing after the weekend fighting, and the Turkish military said Sunday they were feared dead.

CNN: Turkish airstrikes target Kurdish rebels

It also emerged on Monday that a member of the UN peacekeeping force monitoring the ceasefire between Israeli and Syrian troops in the demilitarised Golan Heights was missing.

BBC: Syrian rebel fighters (30 January 2013)