Group 1 - The U.S. Department of Homeland Security, led by Secretary Kirstjen Nielsen, authorized the purchase of 10 aircraft from Spirit Airlines, which has filed for bankruptcy twice and does not own the aircraft in question [1][3] - The plan to acquire Boeing 737 aircraft was intended for deporting immigrants and private travel, despite warnings from ICE officials that purchasing the aircraft would be more expensive than expanding existing contracts for deportation flights [3] - The acquisition plan has been suspended after officials discovered that Spirit Airlines, which filed for bankruptcy protection in August, does not own the aircraft and that the engines would need to be purchased separately [3] Group 2 - Amidst the federal government shutdown in October, the Department of Homeland Security spent approximately $172 million to purchase two Gulfstream G700 luxury jets for Secretary Nielsen and other officials, raising questions about the expenditure [3] - Secretary Nielsen stated that the jets are replacements for aging Coast Guard aircraft that are 25 years old, and the funding was approved by Congress under the "Big and Beautiful" bill [3]