India, March 31 -- Iran has released a new video as its war with the United States and Israel escalates, which shows its special unit of commandos preparing for a possible ground invasion.

In the video circulated by state media Press TV, the Iranian army is seen showcasing its special forces preparing for a fight with American troops.

The video also opens with the phrase "Come Close" written in English and Hebrew, signalling a direct challenge to any possible US deployment.

Iran's message to Washington also comes after it struck an ammunition facility in Iran's Isfahan using a nearly 1000kg bunker buster bomb.

According to a US official who spoke to the Wall Street Journal, a large number of penetrator munitions were used in the opera...