Coronavirus forces militaries across world to adapt to an invisible enemy

The coronavirus pandemic has forced militaries and militias to adapt to an invisible enemy, even as traditional conflicts grind on. Armies had to enforce social distancing rules among troops while helping with national outbreak containment and postponing maneuvers. 

On Thursday, Saudi Arabia declared a temporary halt to fighting in Yemen because of the pandemic, while in Libya and Afghanistan conflicts are intensifying despite UN appeals for a global cease-fire. 

An outbreak in poor or war-scarred nations would be particularly devastating. 

Before the pandemic, Israel's military kept tabs on the Iran-backed Hezbollah militia in Lebanon, carried out occasional airstrikes against Iran's