The 681st Bombardment Squadron, designated the 26th Reconnaissance Squadron, Very Long Range (Photographic - Radar Countermeasures) from August 1947 to June 1949
The United States' countermeasures for Koschei include 300 megatons of nuclear weapons and a continuity of government base hundreds of light years from Earth.
DCIRP was established in August 1990 by the Deputy Under Secretary of Defense for Security Policy to assist the defense contractor community with developing and implementing effective security countermeasures at facilities subject to inspection under the Strategic Arms Reduction Treaty (START).
The Forbidden Borders trilogy, written by W. Michael Gear includes Requiem for the Conqueror, Relic of Empire, and Countermeasures.
They used the knowledge thus acquired to try to develop countermeasures under the leadership of Fred Hoyle at the British radar project.
For the advanced Bomarc (IM-99B), a Time Division Data Link was planned for GAT Facilities to provide an electronic counter-countermeasures capability using a "directional hlgh-gain data link antenna…composed of' 16 stationary segments in a circular pattern 60 feet high".
Hunt-class mine countermeasures vessel, mine countermeasures vessels launched from 1978 to 1988
This mode of enforcement contrasts with the traditional 'horizontal' mode involving State responsibility, reciprocity, and countermeasures.
In June 2007 the game Operazione: Pretofilia (Operation: Pedopriest), inspired by the controversial BBC documentary Sex Crimes and the Vatican, was removed from the site after a point of order in the Italian Parliament called "Countermeasures to the religions' offences".
After the Rebellion of Queen Zenobia in 275, Roman countermeasures included the construction of a fort (Tetrarchic castellum) that housed a military garrison.
Whether it's a new idea such as radar, or a series of breakthroughs producing a dramatic new weapon like the jet fighter, in each case it shows that enemies have to react with their own countermeasures - creating a competitive arms race.