passed a long-awaited $61 billion aid package in April, with much of it covering military aid. The following day, the Pentagon announced it was ready to send $1 billion worth of weapons to Kyiv from U.S. stockpiles.During the six-month break in aid, Ukraine lost the key front-line city of Avdiivka in February amid a severe ammunition shortage.Ukraine's shortage of air defense has also been felt as Russia intensified its strikes all over the country, mainly targeting energy infrastructure.Russian strikes against Ukraine's energy infrastructure have cost the state over $1 billion in damages, according to the Energy Ministry.Opinion: Will the renewed US support for Ukraine be enough?New U.S.-supplied weapons and money are now on their way to Ukraine. Whether to provide additional military aid was a matter of debate for many months in the U.S.