bobbymike ACCESS: USAP Senior Member Joined 21 April 2009 Messages 13,339 Reaction score 6,428 24 April 2020 #1 Underminer Aims to Demonstrate Feasibility, Benefits of Rapidly Constructed Logistics Tunnels
jstar ACCESS: Secret Joined 12 October 2007 Messages 318 Reaction score 335 25 April 2020 #2 Maybe get these guys to consult? US-Mexico border: 'Longest ever' smuggling tunnel discovered The tunnel had rail track, drainage and air ventilation systems, and stretched for 4,309ft (1,313m). www.bbc.com
Maybe get these guys to consult? US-Mexico border: 'Longest ever' smuggling tunnel discovered The tunnel had rail track, drainage and air ventilation systems, and stretched for 4,309ft (1,313m). www.bbc.com
sferrin ACCESS: USAP Senior Member Joined 3 June 2011 Messages 17,606 Reaction score 9,744 25 April 2020 #3