Delta on Tuesday posted a net loss of $5.7 billion for the second quarter, its largest quarterly loss in 12 years. The Atlanta-based airline took $2.1 billion in charges tied some of those investments in foreign airlines. It wrote down $1.1 billion on its investment in LATAM Airlines, Latin America’s largest carrier, which filed for Chapter 11 bankruptcy protection in May, less than a year after Delta announced it was buying a 20% stake, snatching the carrier away from its previous partner, American.

It also took a $770 million write-down in its Aeromexico investment after suffering financial losses and the Mexican airline filed for Chapter 11 bankruptcy protection. And Delta took a $200 million charge on its investment in Virgin Atlantic.

Delta still has a framework in place for strategic partnerships with those airlines, which gives it further reach into those markets and vice versa.

Delta noted that the governments in these airlines’ home countries didn’t provide financial support like the $50 billion in loans and direct federal aid set aside for U.S. airlines.

“While each of these is disappointing, none of our partners’ home countries were prepared to provide governmental financial support similar to what the U.S. Treasury did with the CARES Act which necessitated their decisions to restructure,” Delta CEO Ed Bastian said on an earnings call Tuesday. “We have the most -- the utmost confidence in all of our partners and remain firmly committed to our partnerships, which will be important when we rebuild a much more resilient international network in the recovery.”