TYB
Northrop Grumman MQ-4C Triton, call sign (should drones really have call signs?) SCORE 46, patrolling Atlantic waters off DC.
Incognito call sign sign TUFF22 ICAO hex code AE5877 decodes as B-52H Stratofortress 60-0015. Air to air refuelling with KC-135 61-0277 call sign WYLIE21 over NW Arkansas.
http://milradiocomms.com/search_mil_hexcodes.php?type_of_search=hex_search&search_hexcode=AE5877