| debouch(move, advance, rush, dash, proceed) |
| detachment(noun, group, guard, unit, troop) |
| double agent(noun, expression, plant, agent, operative) |
| drill(move, advance, rush, dash, proceed) |
| drive(noun, organization, break, trip, progress) |
| duty(noun, beat, watch, round, guard) |
| eagle eye(noun, expression, case, watch, overlook) |
| emigrate |
| emissary(noun, plant, watch, agent, spy) |
| enterprise(trip, voyage, excursion) |
| entrada(trip, voyage, excursion) |
| escorting(noun, guard, policing, vigilance, garrison) |
| espionage agent(noun, expression, plant, agent, operative) |
| excursion(trip, voyage, ride, spree, outing) |
| exercise(noun, verb, go, drive, run) |
| expatiate |
| expedition(noun, trip, journey, voyage, ride) |
| exploration(trip, voyage, ride, excursion) |
| explorers(trip, voyage, excursion) |
| fed |