Pentagon AHP frequencies

Pentagon AHP (JPN · KJPN) in Washington, DC is a towered field, staffed 1230-2230Z++MON-FRI; 24 HRS PPR.. Every frequency below is in the order you tune it, from the first call to the handoff on climb out. · Open on the map

All of Pentagon AHP — runways, frequencies, charts and live weather

Also

Emergency 121.5
121.5 is the international emergency and distress frequency, monitored continuously. Declare on it if you are in trouble, and monitor it as a second radio when you have one free.
By procedure & sector (3 more)
143.1LCL/P
231.3LCL/P
243.0EMERG
Every KJPN frequency, as one table
Emergency121.5